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  • Books  (218)
  • thema EDItEUR::P Mathematics and Science::PH Physics  (167)
  • QC1-999  (67)
  • bic Book Industry Communication::U Computing & information technology::UY Computer science  (51)
  • astrophysical applications  (23)
  • KIT Scientific Publishing  (130)
  • EDP SCIENCES  (88)
  • English  (218)
Collection
  • Books  (218)
Language
Years
  • 1
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 2
    Publication Date: 2023-12-20
    Description: A predictive tracking approach and a novel method for visual motion compensation are introduced, which accurately reconstruct and compensate the deformation of the elastic object, even in the case of complete measurement information loss. The core of the methods involves a probabilistic physical model of the object, from which all other mathematical models are systematically derived. Due to flexible adaptation of the models, the balance between their complexity and their accuracy is achieved.
    Keywords: QA75.5-76.95 ; stochastic estimation ; physics-based modeling ; robotics ; distributed parameter systems ; beating heart surgery ; video processing ; probabilistic models ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 3
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 4
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: The annual report of the Institute for Nuclear and Energy Technologies of KIT summarizes its research activities and provides some highlights of each working group, like thermal-hydraulic analyses for fusion reactors, accident analyses for light water reactors, and research on innovative energy technologies: liquid metal technologies for energy conversion, hydrogen technologies and geothermal power plants. The institute has been engaged in education and training in energy technologies.
    Keywords: Fusion ; Kernenergie ; Flüssigmetall-Technologien ; Wasserstofftechnologien ; geothermische Energie ; Jahresbericht ; Nuclear energy ; liquid metal technologies ; hydrogen technologies ; geothermal energies ; annual report ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 5
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 6
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 7
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 8
    Publication Date: 2024-04-04
    Description: The Smoothed Particle Hydrodynamics (SPH) method is proposed for studying hydrodynamic processes related to nuclear engineering problems. A problem of possible recriticality due to the sloshing motions of the molten reactor core is studied with SPH method. The accuracy of the numerical solution obtained in this study with the SPH method is significantly higher than that obtained with the SIMMER-III/IV reactor safety analysis code.
    Keywords: QC1-999 ; CFD ; Sloshing ; Recriticality ; SPH ; Free Surface Flows ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 9
    Publication Date: 2024-04-04
    Description: Warm conveyor belts (WCBs) are weather systems that substantially modulate the large-scale extratropical circulation. As they can amplify forecast errors and project them onto the Rossby wave pattern, they are of high relevance for numerical weather prediction. This work elaborates on two aspects of WCBs in the context of ensemble forecasts: (1) sensitivities of WCBs to the representation of initial condition and model uncertainties, and (2) the role of WCBs for forecast error growth.
    Keywords: Numerische Wettervorhersage ; Vorhersageunsicherheit ; Warmluftförderbänder ; Numerical weather prediction ; Forecast uncertainty ; Warm conveyor belts ; thema EDItEUR::P Mathematics and Science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 10
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This work considers several hypothetical control processes on the nanoscopic level and show their analogy to computation processes. It shows that measuring certain types of quantum observables is such a complex task that every instrument that is able to perform it would necessarily be an extremely powerful computer.
    Keywords: QA75.5-76.95 ; Informationstheorie ; Quanteninformatik ; Berechnungskomplexität ; Komplexitätstheorie ; Hauptsatz der Thermodynamik 2 ; Quantentheorie ; Entropie ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 11
    Publication Date: 2024-04-04
    Description: This publication presents results of an interdisciplinary field study assessing the contribution of biological and inorganic processes in the mobilisation and accumulation of arsenic in groundwater of the Bengal Delta Plain, West Bengal. Investigations were focussed on the distribution of arsenic in sediments and shallow groundwater of two representative study sites. All results were combined in an effort to develop a conceptional model describing the mobility of arsenic in West Bengal aquifers.
    Keywords: QC1-999 ; Arsenic ; Groundwater ; Bengal Delta Plain ; Groundwater abstraction ; West Bengal ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 12
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 13
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 14
    Publication Date: 2024-04-04
    Description: In disordered solids, two-level atomic-tunneling systems are present in large quantity. Only recently, superconducting qubits opened a door for a detection and individual coherent manipulation of such microscopic quantum systems. We succeeded to tune the resonance frequencies of these systems by applying external strain on the qubit chip. Moreover, we observed and analyzed the interaction between two coupled tunneling systems.
    Keywords: QC1-999 ; two-level systemQuantenbit ; Qubit ; qubit ; Superconducting qubit ; TunnelsystemQuantum bit ; TLS ; tunneling system ; phase qubit ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 15
    Publication Date: 2024-04-04
    Description: This work describes the development of an ultra-light-weight Proton-Transfer-Reaction Mass Spectrometer (PTR-MS), its detailed qualification, ground-based and airborne applications and studies on VOC emissions in connection with fossil fuel production. The new system was used aboard a mobile laboratory in order to investigate the chemical fingerprints of the diverse emitters at oil and natural gas well pads. Emissions of aromatic hydrocarbons at a hydraulically fractured well have been studied.
    Keywords: QC1-999 ; PTR-MS Flüchtige organische Verbindungen Hydraulic Fracturing Aromatische Kohlenwasserstoffe Flugzeuggestützte MessungenPTR-MS Volatile organic compounds Hydraulic Fracturing Aromatic hydrocarbons Airborne measurements ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 16
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 17
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: Anaerobic digestion of the organic fraction of municipal solid waste as such or together with food waste, press water or patatoes sludge was investigated to equilibrate methane production within a day or over the weekend, when no OFMSW was available. A stable co-digestion process could be achieved with COD degradation between 60 and 80 %. The max. organic loading rates were 28 kg COD/L,d. For stable methane production the OLR during Co-digestion should not excede 22,5 kg/L,d.
    Keywords: QC1-999 ; Food waste ; Potatoes sludge ; Organic fraction of municipal solid waste ; Methane production ; Anaerobic digestion ; Co-digestion ; Press water ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 18
    Publication Date: 2024-04-04
    Description: The main objectives of this book are (i) to investigate the electrochemical behavior and the analytical performance of a novel ultramicroelectrode array (UMEA); (ii) to assess the analytical parameters of square-wave anodic stripping voltammetric measurements (SWASV) using the UMEA; and (iii) to estimate the potential of the UMEA in developing decentralised analytical equipments for the determination of trace concentrations of heavy metals in natural waters. Surface analytical techniques (SEM, ESEM, and AFM) showed that the UMEA chips are of high quality in manufacture. Cyclic voltammetric and chronoamperometric experiments proved that the electrochemical behavior of the UMEA is dominated by the features characteristic for single microelectrodes.Chronocoulometry was found to be the most suitable method in generating the Hg-film of good quality. A new UMEA chip could be plated at least ten times, corresponding to about 500 measurements of trace metals in synthetic aqueous solutions. Using SWASV, detection limits of 〈0.1 ï¿g/l could be achieved for the metals (Pb, Cd). Precision and accuracy were found to be approx +/-10% of RSD.In natural waters, the results obtained with the UMEA sensor showed a reasonably good agreement with HR-ICP-MS analyses. Different experimental parameters were optimised and investigated. Interferences (e.g., DOC) were significantly reduced through medium exchange and standard addition. Ultrasonic bath proved to be very efficient in resurfacing electrodes in laboratory.The UMEA sensor shows a great potential in developing a portable trace metal analyzer. However, for in situ and on-site measurements, the protection of the UMEA sensor from fouling seems to be inevitable. In order to achieve a pure microelectrode behavior with the UMEA, increasing the ratio of interelectrode distance to electrode diameter is recommended for further developments.
    Keywords: QC1-999 ; Schwermetall ; Geochemie ; Chemischer Sensor ; Elektrochemischer Sensor ; Mikroelektrode ; Sensor ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 19
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: The goal of this work is improving existing and suggesting novel filtering algorithms for nonlinear dynamic state estimation. Nonlinearity is considered in two ways: First, propagation is improved by proposing novel methods for approximating continuous probability distributions by discrete distributions defined on the same continuous domain. Second, nonlinear underlying domains are considered by proposing novel filters that inherently take the underlying geometry of these domains into account.
    Keywords: QA75.5-76.95 ; Sensordatenfusion ; Richtungsstatistik ; Directional Statistics ; Stochastische Filterung ; Sensor Data Fusion ; DichteapproximationStochastic Filtering ; Density Approximation ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 20
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
    Keywords: low temperature physic ; hybrid quantum systems ; quantum magnonics ; Tieftemperaturphysik ; Hybride Quantensysteme ; Quanten-Magnonics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 21
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: In this work two ideas of using individual metal organic molecules in applications for data storage are presented. On the one hand, metal-free phthalocyanine is used to form a GMR contact consisting of one single molecule leading to the world smallest magnetic sensor. On the other hand, chromium acetylacetonate was used to study the properties of magnetic molecules adsorbed on surfaces in order to build magnetic bits for date storage.
    Keywords: QC1-999 ; spintronics ; nanotechnology ; magnetic sensors ; giant magneto resistance ; organic electronics ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 22
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 23
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 24
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 25
    Publication Date: 2024-04-04
    Description: Atmospheric processes, such as wind, impact the ground motion of the earth and have the potential to induce strong broad-band noise in seismological records. In order to quantify the influence of wind on ground motion velocity joint seismological and meteorological measurements were conducted at the Dead Sea.Results reveal a pronounced impact of wind on seismological records. A methodology is presented to account for the dependency of PSD of ground motion velocity on the horizontal wind field.
    Keywords: QC1-999 ; Wind ; Microseisms ; Wind speed ; Topography ; Totes Meer ; TopographieSeismology ; Seismologie ; Rauschspektrum ; Dead Sea ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 26
    Publication Date: 2024-04-04
    Description: High-resolution regional ensemble climate simulations with the regional climate model COSMO-CLM are performed for Southwest Germany to study the sensitivity of meteorological and hydrological variables to parameter settings. The soil-vegetation model VEG3D is implemented into COSMO-CLM to assess the impact of the lower atmospheric boundary on simulation results. A statistical-dynamical downscaling method is tested to shorten the simulation time for regional climate studies.
    Keywords: QC1-999 ; regional climate modelling ; climate ; sensitivity studies ; COSMO-CLM ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 27
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 28
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 29
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This book examines Gaussian processes in both model-based reinforcement learning (RL) and inference in nonlinear dynamic systems.First, we introduce PILCO, a fully Bayesian approach for efficient RL in continuous-valued state and action spaces when no expert knowledge is available. PILCO takes model uncertainties consistently into account during long-term planning to reduce model bias. Second, we propose principled algorithms for robust filtering and smoothing in GP dynamic systems.
    Keywords: QA75.5-76.95 ; autonomous learning ; Gaussian processes ; control ; machine learning ; Bayesian inference ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 30
    Publication Date: 2024-04-04
    Description: Doppler radars provide unique 3D information about precipitating clouds in high spatial and temporal resolutions. However, the observed quantities (reflectivity, Doppler velocity and polarization properties) are not directly comparable to the variables of numerical prediction models. In order to enable radar data assimilation, a comprehensive modular radar forward operator has been developed.
    Keywords: QC1-999 ; NWP model ; radar simulator ; parallelized and vectorized code ; weather forecast ; data assimilation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 31
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: While the universal quantum computer seems not in reach for the near future, this work focusses on analog quantum simulation of intriguing quantum models of light-matter interactions, with the goal of achieving a computational speed-up as compared to classical hardware. Existing building blocks of quantum hardware are used from superconducting circuits, that have proven to be a very suitable experimental platform for the implementation of model Hamiltonians at a high degree of controllability.
    Keywords: QC1-999 ; Festkörperphysik ; superconductivity ; quantum bit ; solid state physics ; Quantensimulation ; Quantenbits ; Quantenmechanik ; Supraleitung ; quantum computation ; Quantum simulation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 32
    Publication Date: 2024-04-04
    Description: The emission of dibenzofurans and dioxins from industrial processes is a major environmental concern. Focussing on dibenzofuran, this study tend to improve our understanding of the general oxidation chemistry and to provide a mechanism suitable for future modelling studies. Based on quantum chemical methods, energies, chemical structures and reactions are calculated numerically. Not only stable molecules and radicals, but also transition states are reported in this work.
    Keywords: QC1-999 ; ADD ; Shower parametrization ; extra dimensions ; shower parameterisation ; bic Book Industry Communication::P Mathematics & science::PH Physics ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 33
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This work presents a new approach for estimating 3D human poses based on monocular camera information only. For this, the Implicit Shape Model is augmented by new voting strategies that allow to localize 2D anatomical landmarks in the image. The actual 3D pose estimation is then formulated as a Particle Swarm Optimization (PSO) where projected 3D pose hypotheses are compared with the generated landmark vote distributions.
    Keywords: QA75.5-76.95 ; Computer vision ; Bildverarbeitung ; Human pose estimation ; action recognition ; AktionserkennungScene understanding ; Szenenverstehen ; Menschliche Posenschätzung ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 34
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: The goal of this work is the development of a novel computational formalization of whole-body affordances which is suitable for the multimodal detection and validation of interaction possibilities in unknown environments. The hierarchical framework allows the consistent fusion of affordance-related evidence and can be utilized for realizing shared autonomous control of humanoid robots. The affordance formalization is evaluated in several experiments in simulation and on real humanoid robots.
    Keywords: QA75.5-76.95 ; Kognition ; cognition ; Manipulation ; Perzeption ; robotics ; Humanoide Robotik ; humanoid robotics ; manipulation ; Robotik ; perception ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 35
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 36
    Publication Date: 2023-12-20
    Description: Computer assisted surgery systems intraoperatively support the surgeon by providing information on the location of hidden risk and target structures during surgery. However, soft tissue deformations make intraoperative registration (and thus intraoperative navigation) difficult. In this work, a novel, biomechanics based approach for real-time soft tissue registration from sparse intraoperative sensor data such as stereo endoscopic images is presented to overcome this problem.
    Keywords: QA75.5-76.95 ; real-time finite elements ; soft tissue modeling ; echtzeitfähige finite Elemente ; intraoperative Navigation ; registration ; Registrierung ; intraoperative navigation ; GPU ; Weichgewebemodellierung ; GPU computing ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 37
    Publication Date: 2024-04-04
    Description: Die Text- und Quellensammlung entstand als Arbeitsgrundlage für eine Exkursion nach Hamburg. Studierende der Architektur setzten sich mit der Frage auseinander, inwiefern sich der Umgang mit den Baumaterialien Ziegel und Klinker in konstruktiver und gestalterischer Hinsicht im Laufe der Zeit gewandelt hat. Der Fokus der Analysen wurde auf die Zeitspanne zwischen 1880 und 1930 gerichtet, da in diesen Dekaden das Bauen mit ""Backstein"" besonders starken Veränderungen unterworfen war.
    Keywords: QC1-999 ; Backstein ; Ziegel ; Klinker ; Hamburg ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 38
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 39
    Publication Date: 2023-12-20
    Description: The focus of this work is a generic, intraoperative and image-free planning and execution application for arbitrary orthopedic interventions using a novel handheld robotic device and optical see-through glasses (AR). This medical CAD application enables the surgeon to intraoperatively plan the intervention directly on the patient’s bone. The glasses and all the other instruments are accurately calibrated using new techniques. Several interventions show the effectiveness of this approach.
    Keywords: QA75.5-76.95 ; Kalibrierung ; Handgehaltene Roboter ; Orthopädie ; Orthopedics ; Augmented Reality ; Handheld Robot ; Planning ; Calibration ; Planungsanwendung ; Erweiterte Realität ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 40
    Publication Date: 2024-04-04
    Description: The initiation of atmospheric convection is investigated using the synergy of different instruments. The impact of increased spatial data resolution on the detection of the initiation of deep convection is analysed, and a methodology is developed to determine the likelihood of deep convection over flat and complex terrains. Intensive Observation Periods (IOPs) are used from the Convective Storm Initiation Project (CSIP), and the Convective and Orographically-Induced Precipitation Study (COPS).
    Keywords: QC1-999 ; COPS ; Wasserdampf ; atmosphärische Grenzschicht ; Konvektion ; deep convection ; water vapour ; CSIP ; COPSatmospheric boundary layer ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 41
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 42
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 43
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 44
    Publication Date: 2023-12-20
    Description: Concern identification aims to find the implementation of a functional concern in existing source code. In this work, concerns are described, using the Hierarchic Concern Model, as gray-boxes containing subconcerns, inputs, and outputs. The inputs and outputs are used as concern seeds to identify data-oriented abstractions of concern implementations, called concern skeletons. The identification approach is based on context free language reachability and supported by a tool, called CoDEx.
    Keywords: QA75.5-76.95 ; concern skeleton ; hierarchic concern model ; CoDEx ; concern identification ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 45
    Publication Date: 2024-04-04
    Description: After description of the uranium / plutonium fuel cycle results are reported for various isotopic compositions of reactor-grade plutonium for usability in hypothetical nuclear explosive devices. It is shown that it is mainly thermal analyses, besides neutron physics analyses, which indicate the limits of concentration of the Pu-238 plutonium isotope. Above these limits, such hypothetical nuclear explosive devices are not feasible technically. In the light of this finding, future proliferation-proof fuel cycles are proposed which make use of recent methods of actinide transmutation.The author is honorary professor at the Karlsruhe Institute of Technology (KIT) and emeritus director of the former Institute for Neutron Physics and Reactor Engineering of the former Karlsruhe Research Center. For many years he was a member and, for some time, chairman of the German Advisory Committee on Reactor Safeguards (RSK).He is a member of the European Nuclear Society (ENS) and a member and fellow of the American Nuclear Society (ANS).
    Keywords: QC1-999 ; Non-Proliferation ; Nuclear Fuel Cycle ; Proliferation-proof ; Plutonium ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 46
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 47
    Publication Date: 2024-04-04
    Description: The scope of this work is to develop a comprehensive understanding of the aerosol pollution in the megacity Beijing. The focus lies on the interaction of anthropogenic and geogenic aerosol particles, their spatio-temporal variation, the most important pollution sources as well as the impact of particulate aerosols on human health and the environment. Furthermore, the bioavailable fraction of metal concentrations and the effect of mitigation measures during the 2008 Olympic Games were evaluated.
    Keywords: QC1-999 ; Urban aerosols ; Single particle analyses ; Anthropogenic and geogenic particles ; Bioavailable metal concentrations ; Mitigation measures ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 48
    Publication Date: 2023-12-20
    Description: Quality attributes, such as performance or reliability, are crucial for the success of a software system and largely influenced by the software architecture. Their quantitative prediction supports systematic, goal-oriented software design and forms a base of an engineering approach to software design. This thesis proposes a method and tool to automatically improve component-based software architecture (CBA) models based on such quantitative quality prediction techniques.
    Keywords: QA75.5-76.95 ; Software ArchitectureOptimizationQuality AttributesPerformanceModel-based Prediction ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 49
    Publication Date: 2024-04-04
    Description: By using COSMO-ART, highly resolved process study simulations for 2-3 July 2016 are conducted to assess the aerosol effect on the meteorological conditions of southern West Africa. The meteorological phenomenon Evening Monsoon Flow Enhancement (EMFE) is identified as highly susceptible to the aerosol direct effect, leading to a spatial shift of the EMFE front. In a second aerosol feedback chain the aerosol variation leads to a temporal shift of the stratus-to-cumulus transition.
    Keywords: QC1-999 ; COSMO-ART ; Wolken ; Aerosol ; Westafrikanischer Monsun ; clouds ; West African monsoon ; Nächtlicher Stratus ; COSMO-ARTaerosol ; nocturnal stratus ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 50
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This work develops a set of peer-to-peer-based protocols and extensions in order to provide Internet-wide group communication. The focus is put to the question how different access technologies can be integrated in order to face the growing traffic load problem. Thereby, protocols are developed that allow autonomous adaptation to the current network situation on the one hand and the integration of WiFi domains where applicable on the other hand.
    Keywords: QA75.5-76.95 ; Adaptive Networks ; Wireless Communication ; Traffic Load Balancing ; Peer-to-Peer ; Application-Layer Multicast ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 51
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 52
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: Approaches that are typically applied in deep exploration geophysics, combining different seismic and logging methods, can be technically adapted for certain geotechnical or hydrogeological surveys or some site characterizations in the framework of seismic hazard studies. Currently it is entirely feasible to implement this type of geophysical surveying if the situation requires. After reviewing the current state of knowledge regarding borehole measurements of subsurface shear velocities applied to the geotechnical field, this book illustrates the feasibility of carrying out vertical seismic profiles (VSPs) and logs in this field. This approach also illustrates the value of combining velocity measurements of formations provided by borehole seismic tools (VSP) and acoustic (sonic) tools. An innovative example of the application of borehole seismic and logging methods is then presented in the case study of a relatively near-surface (from 20 to 130 m) karst carbonate aquifer. It shows how a multi-scale description of the reservoir can be carried out by integrating the information provided by different 3D-THR surface seismic methods, full waveform acoustic logging, VSP with hydrophones, borehole optical televiewer and flow measurements. In this book the authors provide readers with guidelines to carry out these operations, in terms of acquisitions as well as processing and interpretation. Thus, users will be able to draw inspiration to continue transferring petroleum techniques and other innovative methods for use in near-surface studies.
    Keywords: geophysics ; hydrogeology ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 53
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 54
    Publication Date: 2024-04-04
    Description: Molecular electronics requires both profound knowledge of a molecule's structure and functionality on a surface and controlled positioning between electrodes with nanometer-sized gaps. In the first part of this work, a detailed scanning tunneling microscope study of two variants of oligo(phenylene ethynylene) molecules is presented. In the second part, methods of fabricating carbon nanotube nanogap electrodes as direct contacts to these molecules are explored.
    Keywords: QC1-999 ; Nanoelektronik Molekulardrähte Rastertunnelmikroskopie Kohlenstoffnanoröhren Nanogap-ElektrodenNanoelectronics Molecular wires Scanning tunneling microscopy Carbon nanotubes Nanogap electrodes ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 55
    Publication Date: 2024-04-04
    Description: The methods of time-efficient simulation of surface-excited wave propagation in plate-like multilayered composites are presented. The mathematical model of wave propagation in laminated plate based on the elasticity theory is transformed and then solved in wavenumber-frequency domain. The numerical methods for computation of inverse transform in time-space domain are developed and used for analysis of wave and energy propagation phenomena occurring in composite plates due to surface excitation.
    Keywords: QC1-999 ; Lamb waves ; composites ; wave propagation ; piezoelectric actuators ; structural health monitoring ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 56
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 57
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 58
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: Service-orientation has an increasing impact upon the design process and the architecture of environmental information systems. This thesis specifies the SERVUS design methodology for geospatial applications based upon standards of the Open Geospatial Consortium. SERVUS guides the system architect to rephrase use case requirements as a network of semantically-annotated requested resources and to iteratively match them with offered resources that mirror the capabilities of existing services.
    Keywords: QA75.5-76.95 ; design methodology ; SERVUS ; resource orientation ; service-oriented architecture ; environmental information system ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 59
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: In this book we show how semantic technologies and in particular the use of ontologies can be employed to address a number of typical challenges in distributed information systems: First, we illustrate how ontologies enable the integration of information across heterogeneous nodes. Second, we show how ontology evolution allows dealing with the dynamics in the information in a consistent manner. Third, we present a model for ontologybased coordination using semantic overlay networks.
    Keywords: QA75.5-76.95 ; Semantic Web ; Semantic Technologies ; Ontologies ; Information Systems ; Information Integration ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 60
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: In this thesis two probabilistic model-based estimators are introduced that allow the reconstruction and identification of space-time continuous physical systems. The Sliced Gaussian Mixture Filter (SGMF) exploits linear substructures in mixed linear/nonlinear systems, and thus is well-suited for identifying various model parameters. The Covariance Bounds Filter (CBF) allows the efficient estimation of widely distributed systems in a decentralized fashion.
    Keywords: QA75.5-76.95 ; sensor network ; nonlinear estimation ; distributed-parameter system ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 61
    Publication Date: 2024-04-04
    Description: Phase-field modeling has spread to a variety of applications involving phase transformations.While the method has wide applicability, derivation of quantitative predictions requires deeper understanding of the coupling between the system and model parameters. The book highlights a novel phase-field model based on a grand-potential formalism allowing for an elegant and efficient solution to problems in phase transformations.
    Keywords: QC1-999 ; eutectic ; grand-potential ; solidification ; monotectic ; multi-component ; peritectic ; phase-field ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 62
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: The water content evolution of model dikes is monitored with geophysical methods. Water content changes are successfully quantified using electrical resistivity tomography. Numerical simulation of water flow in a dike model is used to estimate the variability of water content. Modeling of synthetic data sets is used to evaluate the quality of resistivity quantification using ERT. An ensemble approach is proposed to improve the interpretation of ERT inversions.
    Keywords: QC1-999 ; electrical resistivity tomography ; modeling ; water content ; hydrogeophysics ; monitoring ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 63
    Publication Date: 2024-04-04
    Description: The impact of land-surface properties like vegetation, soil type, soil moisture, and the orography on the atmosphere is manifold. These features determine the evolution of the atmospheric boundary layer, convective conditions, cloud evolution and precipitation. The impact of model grid spacing and land-surface resolution on convective precipitation over heterogeneous surfaces is investigated using ICOsahedral Nonhydrostatic (ICON) simulations within the framework of the HD(CP)2 project.
    Keywords: ICON ; LES ; Wärme- und Feuchtehaushalt ; HD(CP)2 ; Verdunstungskälte ; Entrainment ; Wolkenaggregation ; LAGRANTO ; Auslösemechanismen der Konvektion ; heat and moisture budgets ; evaporative cooling ; entrainment ; cloud aggregation ; triggering mechanisms of convection ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 64
    Publication Date: 2023-12-20
    Description: We present a novel performance modeling approach tailored to I/O performance prediction in virtualized environments. The main idea is to identify important performance-influencing factors and to develop storage-level I/O performance models. To increase the practical applicability of these models, we combine the low-level I/O performance models with high-level software architecture models. Our approach is validated in a variety of case studies in state-of-the-art, real-world environments.
    Keywords: QA75.5-76.95 ; Modell ; Vorhersage ; Performanz ; Prediction ; I/O ; VirtualisierungModel ; Performance ; Virtualization ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 65
    Publication Date: 2023-12-20
    Description: Multidimensional imaging techniques provide powerful ways to examine various kinds of scientific questions. The routinely produced data sets in the terabyte-range, however, can hardly be analyzed manually and require an extensive use of automated image analysis. The present work introduces a new concept for the estimation and propagation of uncertainty involved in image analysis operators and new segmentation algorithms that are suitable for terabyte-scale analyses of 3D+t microscopy images.
    Keywords: QA75.5-76.95 ; 3D Bildanalyse ; Algorithms ; Software3D Image Analysis ; Algorithmen ; Data Mining ; Entwicklungsbiologie ; Software ; Developmental Biology ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 66
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    KIT Scientific Publishing | KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: Quantum sensing is a vast and emerging field enabling in-situ studies of quantum systems and hence the development of quantum hybrid systems. This work creates the fundament of direct superconducting-magnetic hybrid systems by developing a local microwave sensing scheme and studying the influence of a static magnetic field on a superconducting qubit. Finally, a proof-of-principle hybrid system is demonstrated, which opens the path towards superconducting-magnetic quantum circuits.
    Keywords: Quantensensorik ; Supraleitung ; Quantenbits ; Tieftemperaturphysik ; Hybridsysteme ; Quantum sensing ; superconductivity ; quantum bits ; low temperature physics ; hybrid systems ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 67
    Publication Date: 2023-12-20
    Description: Speech is the natural medium of human communication, but audible speech can be overheard by bystanders and excludes speech-disabled people. This work presents a speech recognizer based on surface electromyography, where electric potentials of the facial muscles are captured by surface electrodes, allowing speech to be processed nonacoustically. A system which was state-of-the-art at the beginning of this book is substantially improved in terms of accuracy, flexibility, and robustness.
    Keywords: QA75.5-76.95 ; Spracherkennung ; Speech Recognition ; Biosignals ; Silent Speech Interfaces ; Electromyography ; Elektromyographie ; Biosignale ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 68
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 69
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: Electrical power grids are the lifeline of technical infrastructure and fundamental for industry and modern lives. Fault Currents can disrupt the continuous supply of electrical energy, cause instable grid conditions and damage electrical equipment. The Air Coil Superconducting Fault Current Limiter (AC-SFCL) is a measure to effectively limit fault currents. The concept is investigated and proven experimentally by designing, building and successfully testing a 60 kV, 400 V, z = 6% demonstrator.
    Keywords: QC1-999 ; Netzsicherheit ; energy supply ; EnergieversorgungSuperconductivity ; Kurzschlussstrombegrenzung ; Drosselspule ; fault current limitation ; power grids ; Supraleitung ; air coil ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 70
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 71
    Publication Date: 2023-12-20
    Description: This thesis presents the Palladio Component Model and its accompanying transformations for component-based software design with predictable performance attributes. The use of transformations results in a deterministic relationship between the model and its implementation. The introduced Coupled Transformations method uses this relationship to include implementation details into predictions to get better predictions. The approach is validated in several case studies showing the increased accuracy.
    Keywords: QA75.5-76.95 ; performance prediction ; model-driven software development ; Palladio Component Model ; component-based software development ; Coupled Transformations ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 72
    facet.materialart.
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    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 73
    Publication Date: 2024-04-04
    Description: We worked on different magnetic molecules containing 3d and 4f magnetic centers. Their growth on metallic surfaces, topographies, spin states, magnetic properties and electron transport were locally investigated by using scanning tunneling microscopy (STM) at temperatures down to 30mK. The main achievement of this dissertation reveals the abrupt switching of crystal fields during formation of molecular contacts.
    Keywords: QC1-999 ; Rastertunnelmikroskopie ; inelastic excitation ; molecular contact ; molekularer Kontakt ; einzelnes magnetisches Molekül ; single magnetic molecule ; Spinzustand ; scanning tunneling microscopy ; spin state ; unelastische Erregung ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 74
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 75
    Publication Date: 2023-12-20
    Description: To avoid design-related per­for­mance problems, model-driven performance prediction methods analyse the response times, throughputs, and re­source utilizations of software architectures before and during implementation. This thesis proposes new modeling languages and according model transformations, which allow a reusable description of usage profile dependencies to the performance of software components. Predictions based on this new methods can support performance-related design decisions.
    Keywords: QA75.5-76.95 ; Performance Engineering ; Simulation ; Software Component ; Model-driven Software Development ; Software Architecture ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 76
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: By restricting to Gaussian distributions, the optimal Bayesian filtering problem can be transformed into an algebraically simple form, which allows for computationally efficient algorithms. Three problem settings are discussed in this thesis: (1) filtering with Gaussians only, (2) Gaussian mixture filtering for strong nonlinearities, (3) Gaussian process filtering for purely data-driven scenarios. For each setting, efficient algorithms are derived and applied to real-world problems.
    Keywords: QA75.5-76.95 ; Zustandsschätzung ; GaußprozesseBayesian statistics ; Kalman filter ; Gaussian processes ; Kalman-Filter ; state estimation ; filtering ; Bayes'sche Statistik ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 77
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: A novel navigation assistance for extended range telepresence is presented. The haptic information from the target environment is augmented with guidance commands to assist the user in reaching desired goals in the arbitrarily large target environment from the spatially restricted user environment. Furthermore, a semi-mobile haptic interface was developed, one whose lightweight design and setup configuration atop the user provide for an absolutely safe operation and high force display quality.
    Keywords: QA75.5-76.95 ; Telepresence ; Haptic Interface ; Assistance Systems ; Teleoperation ; Haptic Guidance ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 78
    Publication Date: 2024-04-04
    Description: Given their potentially positive impact on climate protection and the preservation of fossil resources, alternative energy sources have become increasingly important for the energy supply over the past years. However, the questions arises what economic and ecological impacts and potential conflicts over land use resources are associated with the promotion of renewable energy production. Using the examples of three selected European Regions in Poland, France and German, the dissertation discusses these questions and examines the potential and consequences of an intensified usage of renewable energy sources.
    Keywords: QC1-999 ; GIS ; renewable energy ; regional planning ; land-use conflicts ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 79
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: ESPAS provides an e-Infrastructure to support access to a wide range of archived observations and model derived data for the near-Earth space environment, extending from the Earth's middle atmosphere up to the outer radiation belts. To this end, ESPAS will serve as a central access hub for researchers who wish to exploit multi-instrument multipoint data for scientific discovery, model development and validation, and data assimilation, among others. Observation based and model enhanced scientific understanding of the physical state of the Earth's space environment and its evolution is critical to advancing space weather and space climate studies, two very active branches of current scientific research. ESPAS offers an interoperable data infrastructure that enables users to find, access, and exploit near-Earth space environment observations from ground-based and spaceborne instruments and data from relevant models, obtained from distributed repositories. In order to facilitate efficient user queries ESPAS allows a highly flexible workflow scheme to select and request the desired data sets. ESPAS has the strategic goal of making Europe a leading player in the efficient use and dissemination of near-Earth space environment information offered by institutions, laboratories and research teams in Europe and worldwide, that are active in collecting, processing and distributing scientific data. Therefore, ESPAS is committed to support and foster new data providers who wish to promote the easy use of their data and models by the research community via a central access framework. ESPAS is open to all potential users interested in near-Earth space environment data, including those who are active in basic scientific research, technical or operational development and commercial applications.
    Keywords: near-Earth space environment ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 80
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: This thesis deals with the nonlinear aspects of superconducting quantum interference devices (SQUIDs) as magnetic meta-atoms. Such meta-atoms are usually resonant structures that constitute the basic building blocks of a metamaterial with the purpose of giving the material unconventional magnetic properties. Due to their intrinsic nonlinearity, SQUIDs exhibit a number of phenomena such as frequency tunability and multi-stability that make them attractive as controllable meta-atoms.
    Keywords: QC1-999 ; Superconductivity ; Metamaterials ; Multi-stability ; SQUIDs ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 81
    Publication Date: 2023-12-20
    Description: This work introduces Relational Exploration, a method for acquiring complete relational knowledge about a domain of interest by successively consulting a domain expert without ever asking redundant questions. This is achieved by combining Description Logics (DL) and Formal Concept Analysis (FCA): DL formalisms are used for defining FCA attributes while FCA exploration techniques are deployed to obtain or refine DL knowledge specifications.
    Keywords: QA75.5-76.95 ; Semantic Web ; Wissensmanagement ; Verbandstheorie ; Formale Begriffsanalyse ; Data Mining ; Terminologische Logik ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 82
    facet.materialart.
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This book develops efficient methods for the application of Evolutionary Algorithms on stochastic problems. To achieve this, procedures for statistical selection are systematically analyzed with respect to different measures and significantly improved. It is shown how to adapt one of the best procedures for the needs of Evolutionary Algorithms and Evolutionary operators for efficient implementation in stochastic environments are identified.
    Keywords: QA75.5-76.95 ; Evolutionary Algorithm ; Uncertainty ; Simulation based optimization ; Bayes ; Ranking & Selection ; Genetic Algorithms ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 83
    Publication Date: 2024-04-04
    Description: This study systematically investigates the representation of warm conveyor belts (WCBs) in large reforecast data sets of different numerical weather prediction models and evaluates the role of WCBs for the onset and life cycle of Atlantic-European weather regimes. The results emphasize the importance of accurate forecast of WCBs for sub-seasonal prediction on time scales beyond two weeks and tie the low forecast skill of blocked weather regimes over Europe to misrepresented WCBs.
    Keywords: numerische Wettervorhersage; synoptisch-skalige Prozesse; Warm conveyor belts; blockierende Hochdruckwetterlagen; sub-saisonale Zeitskalen; numerical weather prediction; synoptic-scale processes; warm conveyor belts; atmospheric blocking; sub-seasonal time scales ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 84
    Publication Date: 2024-04-04
    Description: Coherent structures are patterns in the wind field of the atmospheric boundary layer. The deployment of two scanning Doppler lidars facilitates the measurement of the horizontal wind field, but the inherent averaging processes complicate an interpretation of the results. To assess the suitability of this technique for coherent structure detection large-eddy simulations are used as a basis for virtual measurements, and the effects of the lidar technique on the wind field structure are analyzed.
    Keywords: QC1-999 ; Doppler-Lidar ; atmosphärische GrenzschichtDoppler-lidar ; Meteorologie ; large-eddy simulation ; meteorology ; kohärente Strukturen ; boundary layer ; coherent structures ; Grobstruktursimulation ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 85
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: Modern software development faces the problem of fragmentation of information across heterogeneous artefacts in different modelling and programming languages. In this dissertation, the Vitruvius approach for view-based engineering is presented. Flexible views offer a compact definition of user-specific views on software systems, and can be defined the novel ModelJoin language. The process is supported by a change metamodel for metamodel evolution and change impact analysis.
    Keywords: QA75.5-76.95 ; View-based Engineering ; Modellgetriebene Software-Entwicklung ; ModelJoin ; Model-Driven Software Development ; Sichtenbasierte Entwicklung ; Vitruvius ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 86
    Publication Date: 2023-12-20
    Description: The software execution environment can play a crucial role when analyzing the performance of a software system. In this book, a novel approach for the automated detection of performance-relevant properties of the execution environment is presented. The properties are detected using predefined experiments and integrated into performance prediction tools. The approach is applied to experiments for detecting different CPU, OS, and virtualization properties, and validated in different case studies.
    Keywords: QA75.5-76.95 ; Execution Environment ; Measurements ; Experiments ; Metamodel ; Software Performance Prediction ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 87
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 88
    Publication Date: 2023-12-20
    Description: The Helmholtz Association funded the ""Large-Scale Data Management and Analysis"" portfolio theme from 2012-2016. Four Helmholtz centres, six universities and another research institution in Germany joined to enable data-intensive science by optimising data life cycles in selected scientific communities. In our Data Life cycle Labs, data experts performed joint R&D together with scientific communities. The Data Services Integration Team focused on generic solutions applied by several communities.
    Keywords: QA75.5-76.95 ; Data Science ; Datenlebenszyklus ; Datenmanagement ; data management ; data analysis ; data science ; Big Data ; Datenanalyse ; data life cycle ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 89
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is dedicated to all the people interested in the CoRoT mission and the beautiful data that were delivered during its six year duration. Either amateurs, professional, young or senior researchers, they will find treasures not only at the time of this publication but also in the future twenty or thirty years. It presents the data in their final version, explains how they have been obtained, how to handle them, describes the tools necessary to understand them, and where to find them. It also highlights the most striking first results obtained up to now. CoRoT has opened several unexpected directions of research and certainly new ones still to be discovered.
    Keywords: photometry ; space mission ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 90
    Publication Date: 2024-04-04
    Description: Agronomic efficiency and management of environmental P inputs can be improved by understanding soil-phosphorus interaction. Iron oxides and other clay minerals, P forms, and P sorption in young alluvial and weathered residual soils were determined. Phosphorus retention related to crystallinity and phase distribution of iron oxides. CBD and oxalate extractable iron and aluminum and smectite and kaolinite explained 90% variation while soil CaCO3 role was only insignificant in explaining P sorption.
    Keywords: QC1-999 ; goethite ; P-fractionation ; hematite ; Fe-oxides ; phosphorus sorption ; calcareous soils ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 91
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: In Networked Control Systems (NCS), components of a control loop are connected by data networks that may introduce time-varying delays and packet losses into the system, which can severly degrade control performance. Hence, this book presents the newly developed S-LQG (Sequence-Based Linear Quadratic Gaussian) controller that combines the sequence-based control method with the well-known LQG approach to stochastic optimal control in order to compensate for the network-induced effects.
    Keywords: QA75.5-76.95 ; Paketverluste ; Networked Control Systems (NCS) ; sequence-based control ; Optimale Regelung ; Sequenzbasierte Regelung ; optimal control ; packet losses ; time delays ; Vernetzte Regelungssysteme (NCS) ; Zeitverzögerungen ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Language: English
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  • 92
    Publication Date: 2024-04-04
    Description: The phase-specific influence of cellulose ether (CEs) on Portland cement hydration was investigated in-situ, using synchrotron X-ray diffractometry. CE-caused retardation can be traced to the polymers adsorption behaviour. The adsorption decreases in following order: silicates and their hydrates (high), sulfates (low), ettringite (zero). The retarding effect is strong on silicates, moderate on sulfates and unspecific on alluminates.
    Keywords: QC1-999 ; polymer ; cement ; cellulose ether ; hydration ; X-ray diffractometry ; construction chemistry ; kinetic ; synchrotron radiation ; Portland cement ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 93
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: In the geophysics of oil exploration and reservoir studies, the surface seismic method is the most commonly used method to obtain a subsurface model in 2 or 3 dimensions. This method plays an increasingly important role in soil investigations for geotechnical, hydrogeological and site characterization studies regarding seismic hazard issues. The goal of this book is to provide a practical guide, using examples from the field, to the application of seismic methods to surface imaging. After reviewing the current state of knowledge in seismic wave propagation, refraction and reflection seismic methods, the book aims to describe how seismic tomography and fullwave form inversion methods can be used to obtain seismic images of the subsurface. Through various synthetic and field examples, the book highlights the benefit of combining different sets of data: refracted waves with reflected waves, and body waves with surface waves. With field data targeting shallow structures, it shows how more accurate geophysical models can be obtained by using the proposed hybrid methods. Finally, it shows how the integration of seismic data (3D survey and VSP), logging data (acoustic logging) and core measurements, combined with a succession of specific and advanced processing techniques, enables the development of a 3D high resolution geological model in depth. In addition to these examples, the authors provide readers with guidelines to carry out these operations, in terms of acquisition, as well as processing and interpretation. In each chapter, the reader will find theoretical concepts, practical rules and, above all, actual application examples. For this reason, the book can be used as a text to accompany course lectures or continuing education seminars. This book aims to promote the exchange of information among geologists, geophysicists, and engineers in geotechnical fields.
    Keywords: geophysics ; hydrogeology ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 94
    facet.materialart.
    Unknown
    KIT Scientific Publishing
    Publication Date: 2024-04-04
    Description: Two fixed bed reactors for nitrification with either polyethylene/clay sinter lamellas (FBR A) or porous ceramic rings (FBR B) were continously run for treating synthetic saline wastewater. Seawater from Hafen Büsum was used as an inoculums. The performance of the system was evaluated under different operating conditions. A better overall nitrification without nitrite accumulation was observed in FBR B during continuous incubation. However, in term of ammonia (AOR) and nitrite oxidation rates (NOR) that were determined in batch incubations, FBR A revealed a higher AOR and NOR of 6 and 7 mg N L-1 h-1, compared to the AOR and NOR of 5 and 5.9 mg N L-1 h-1 in FBR B, respectively. For studies of the effect of fluctuating salinity on the nitrification, polyethylene/clay sinter lamellas or porous ceramic rings from FBR A and B, respectively, were used as a source of immobilized nitrifiers. Salt concentrations were decreased from 3.5% to 0.03% via 2, 1 and 0.5% and increased from 3.5% to 5, 7 and 9%. A similar result for AOR and NOR during batch incubation was obtained for both substrata in FBR A and FBR B. The salinity changes influenced more the nitrite oxidizing bacteria (NOB) than the ammonia oxidizing bacteria (AOB). Measurement of oxidation rates during changing conditions show that the NORs were always higher than the AORs in all reactors, especially in initial phase. However, NORs were more sensitive to the salinity fluctuation than AORs, especially at lower salinity. The AORs remained constant for 0.5-3.5% NaCl and dropped to 70% and 68.5% after the salt concentration was brought to 0.034 or 5%, respectively. The NORs decreased significantly to 62% and 87.5% of initial rates after the salt concentration was changed to 2 and 5%, respectively.Non-halotolerant nitrifiers reactors with fresh polyethylene/clay as supporting material were inoculated with water samples taken from a ""Brackwasser""-location at the North Sea and were continuously run. The salt content in medium was 0% at the start and was then increased up to 10.5%. Increases of the salt concentration in a non-salt-adapted FBR suppressed more to NOR than AOR. When salinity was increased from 0.03% to 0.5, 1 and 2%, AORs remained constant. The AORs were approx. 90% of initial rates after the salt concentrations were increased stepwise to 3.5%, whereas the NORs decreased to 85, 52 and 36% of initial rate after salinity was increased to 1, 2 and 3.5%, respectively.
    Keywords: QC1-999 ; Saline wastewater ; Free ammonia und Free nitrous acid ; Fixed bed-reactors ; Halophilic nitrification ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 95
    Publication Date: 2024-04-04
    Description: The study examines the predictability during the extratropical transition (ET) of tropical cyclones using the THORPEX Interactive Grand Global Ensemble (TIGGE), a multimodel ensemble prediction system (EPS). It is shown that TIGGE exhibits more possible development scenarios than a single EPS. By analysing the eddy kinetic energy budget of forecast scenarios for two ET cases, extracted from an EPS, the impact of the transitioning tropical cyclones on the midlatitude flow is studied in detail.
    Keywords: QC1-999 ; extratropical transition multimodel ensemble eddy kinetic energy analysis tropical cyclones TIGGE ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 96
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    KIT Scientific Publishing
    Publication Date: 2023-12-20
    Description: This work addresses the integration of today's infrastructure-based networks with infrastructure-less networks. The resulting Hybrid Routing System allows for communication over both network types and can help to overcome cost, communication, and overload problems. Mobility aspect resulting from infrastructure-less networks are analyzed and analytical models developed. For development and deployment of the Hybrid Routing System an overlay-based framework is presented.
    Keywords: QA75.5-76.95 ; Mobility Modeling ; Mobile Networks ; Overlay Networks ; Hybrid Routing ; Delay Tolerant Networks ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 97
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
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  • 98
    Publication Date: 2023-12-20
    Description: In this work we explore the Floquet theory for evolution equations of the form u'(t)+A_t u(t)=0 (t real) where the operators A_t periodically depend on t and the function u takes values in a UMD Banach space X.We impose a suitable condition on the operator family (A_t) and their common domain, in particular a decay condition for certain resolvents, to obtain the central result that all exponentially bounded solutions can be described as a superposition of a fixed family of Floquet solutions.
    Keywords: QA75.5-76.95 ; Bloch solution ; Lp setting ; Floquet theory ; periodic evolution equation ; superposition principle ; bic Book Industry Communication::U Computing & information technology::UY Computer science
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  • 99
    facet.materialart.
    Unknown
    EDP SCIENCES
    Publication Date: 2024-04-04
    Description: This book is a collection of 19 articles which reflect the courses given at the Collège de France/Summer school “Reconstruction d'images − Applications astrophysiques“ held in Nice and Fréjus, France, from June 18 to 22, 2012. The articles presented in this volume address emerging concepts and methods that are useful in the complex process of improving our knowledge of the celestial objects, including Earth.
    Keywords: image reconstruction ; astrophysical applications ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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  • 100
    Publication Date: 2024-04-04
    Description: The impact of extratropical transition on the midlatitude flow is quantified based on potential vorticity inversion. The detailed study of Typhoon Jangmi (2008) reveals the diabatically enhanced net transport of low-PV air to the tropopause as the key physical process determining the direct impact of ET. Relocation experiments and further case studies show the crucial role of the relative position of the TC and the midlatitude flow for the downstream impact of ET and the reduced predictability.
    Keywords: QC1-999 ; Atmosphärische Dynamik ; mittlere Breiten ; Potentielle Vorticity Inversion ; Tropischer Wirbelsturm ; midlatitudes ; Atmospheric Dynamics ; jet stream ; potential vorticity inversion ; Strahlstrom ; Tropical Cyclone ; thema EDItEUR::P Mathematics and Science::PH Physics
    Language: English
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