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  • thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues  (417)
  • KIT Scientific Publishing  (388)
  • RAND Corporation  (16)
  • Springer Nature  (13)
  • Palgrave Macmillan  (2)
  • Berlin : Carl Duisberg Ges.
  • De Gruyter
  • Peter Lang International Academic Publishing Group
  • Universidad Santiago de Cali
  • Washington, DC : United States Gov. Print. Off.
  • German  (264)
  • English  (153)
  • Arabic
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  • German  (264)
  • English  (153)
  • Arabic
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  • 1
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    Millimeter-Wave Radio-over-Fiber Links based on Mode-Locked Laser Diodes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Radio communications in the range of 60 GHz enable multi-Gigabit/s network access in indoor environments. Due to the propagation characteristics of such signals only very short range radio transmission is feasible. In order to distribute these signals across large distances, analog transmission over optical fiber is considered. In this work, mode-locked laser diodes serve as optoelectronic oscillators for the generation of such signals. Their system-relevant properties are studied in detail.
    Keywords: T1-995 ; millimeter wave communications ; mode-locked lasers ; wireless personal area networks ; radio-over-fiber ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 2
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    Entwicklung einer Plattform zur individuellen Ansteuerung von Mikroventilen und Aktoren auf der Grundlage eines Phasenüberganges zum Einsatz in der Mikrofluidik (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Im Rahmen dieser Arbeit wurde eine Plattform zur individuellen Ansteuerung einer Vielzahl thermisch aktivierter Mikroventile und aktoren, auf Grundlage eines Phasenüberganges, zum Einsatz in der Mikrofluidik entwickelt. Ventile dienen dazu den Fluidstrom in komplexen mikrofluidischen Systemen, aus Einsatzgebieten wie der Biologie, Chemie oder Biotechnologie, zu manipulieren. Mit steigender Komplexität der Mikrosysteme steigt auch die Anzahl der benötigten, individuell steuerbaren Mikroventile.
    Keywords: T1-995 ; thermisch ; Mikrofluidik ; Mikroventile ; Phasenübergang ; Mikroaktoren ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 3
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    Prädiktive Lichtfunktionen für volladaptive Scheinwerfersysteme (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this work, the realisation of an adaptive driving beam is examined that is based on the motion prediction of the ego vehicle and other traffic participants. Furthermore, light functions are developed and analysed regarding their effectiveness that project situation adaptive recommendations for action in front of the vehicle regarding a turn or lane change intention of the driver.
    Keywords: T1-995 ; Trajektorienprädiktion ; maneuver detection ; trajectory prediction ; predictive light functions ; Lichtbasierte Assistenzsysteme ; Prädiktive Lichtfunktionen ; Manöverdetektion ; light-based assistance systems ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 4
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    Neues Konzept für die bedarfsgerechte Energieversorgung des Künstlichen Akkommodationssystems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Das Wiederherstellen der Akkommodationsfähigkeit des Auges bei Presbyopie oder nach Kataraktoperationen stellt derzeit eine der größten Herausforderungen der Augenheilkunde dar. Das Künstliche Akkommodationssystem ermöglicht die dauerhafte Wiederherstellung der Akkommodationsfähigkeit. In der vorliegenden Arbeit wird ein neues Konzept für die bedarfsgerechte Energieversorgung des Künstlichen Akkommodationssystems erstellt.
    Keywords: T1-995 ; Akkommodationssystem bedarfsgerecht Energieversorgung ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 5
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    Magnetic Resonance Imaging on Patients with Implanted Cardiac Pacemakers (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: The aim of this work was to identify the patterns that can induce heating around implanted cardiac pacemakers during MRI and to develop strategies to counteract them. Two approaches were taken: computer simulations of the occurring electromagnetic field distributions and in-vitro experiments using phantoms in real MRI devices, both for conventional bore-hole and new open MRI systems. Using the open MRI, the observed heating could be reduced significantly.
    Keywords: T1-995 ; pacemaker ; MRI ; numerical field calculation ; biomedical engineering ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 6
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    The Information Revolution in Asia (2023)
    RAND Corporation
    Details
    Publication Date: 2024-04-14
    Description: This report discusses the information revolution in the Asia-Pacific region and its likely course over the next five to ten years. Key questions addressed in this report include the extent to which the information revolution has taken hold of markets in this region, the political implications of the information revolution for Asian governments, the variations between individual countries, and the prospects for further information-technology-related developments in the region.
    Keywords: Technology ; thema EDItEUR::U Computing and Information Technology::UY Computer science::UYZ Human–computer interaction::UYZM Information architecture ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 7
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    Realization Limits of Impulse-Radio UWB Indoor Localization Systems (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: In this work, the realization limits of an impulse-based Ultra-Wideband (UWB) localization system for indoor applications have been thoroughly investigated and verified by measurements. The analysis spans from the position calculation algorithms, through hardware realization and modeling, up to the localization experiments conducted in realistic scenarios. The main focus was put on identification and characterization of limiting factors as well as developing methods to overcome them.
    Keywords: T1-995 ; localization ; UWB ; transceiver ; positioning ; ultra-wideband ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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  • 8
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    Untersuchung der Schwingungseigenschaften von teleskopierbaren Maschinenelementen mit Spiel am Beispiel eines Gabelstapler-Hubgerüstes (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: Teleskopierbare, spielbehaftete Hubgerüste von Gabelstaplern werden während eines Arbeitszyklus oftmals zu Schwingungen angeregt. Die charakteristischen Schwingungseigenschaften, bedingt durch das usammenwirken von Spiel, auskragender Last und Schwerkraft, werden experimentell untersucht und durch ein 5-Massen-Modell sehr gut abgebildet.Sowohl mit aktiven als auch mit passiven Maßnahmen lassen sich die Schwingungen schnell und deutlich reduzieren.
    Keywords: T1-995 ; Maschinenelement ; Spiel ; Schwingungsverhalten ; Gabelstapler ; Flurförderer ; Hubgerüst ; Schwingungsdämpfer ; Schwingungstilger ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: German
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  • 9
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    Freedom and Information (2023)
    RAND Corporation
    Details
    Publication Date: 2024-04-11
    Description: Describes a framework to guide assessments of the availability of data regarding U.S. anti- and counterterrorism systems, countermeasures, and defenses for planning attacks on the U.S. air, rail, and sea transportation infrastructure. Overall, the framework is useful for assessing what kind of information would be easy or hard for potential attackers to find.
    Keywords: Technology ; Transportation Studies ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues ; thema EDItEUR::W Lifestyle, Hobbies and Leisure::WG Transport: general interest
    Language: English
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  • 10
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    AlGaN/GaN-HEMT power amplifiers with optimized power-added efficiency for X-band applications (2021)
    KIT Scientific Publishing
    Details
    Publication Date: 2024-04-09
    Description: This work has arisen out of the strong demand for a superior power-added efficiency (PAE) of AlGaN/GaN high electron mobility transistor (HEMT) high-power amplifiers (HPAs) that are part of any advanced wireless multifunctional RF-system with limited prime energy. Different concepts and approaches on device and design level for PAE improvements are analyzed, e.g. structural and layout changes of the GaN transistor and advanced circuit design techniques for PAE improvements of GaN HEMT HPAs.
    Keywords: T1-995 ; MMIC design ; power amplifier ; AlGaN/GaN HEMT ; X-band ; power-added efficiency ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues
    Language: English
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