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  • Computer Programming and Software  (11)
  • 2020-2022
  • 2005-2009  (11)
  • 1970-1974
  • 1925-1929
  • 1
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    Software for Automated Image-to-Image Co-registration (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-12
    Description: The project objectives are: a) Develop software to fine-tune image-to-image co-registration, presuming images are orthorectified prior to input; b) Create a reusable software development kit (SDK) to enable incorporation of these tools into other software; d) provide automated testing for quantitative analysis; and e) Develop software that applies multiple techniques to achieve subpixel precision in the co-registration of image pairs.
    Keywords: Computer Programming and Software
    Type: Proceedings of the 2006 Civil Commercial Imagery Evaluation Workshop; SSTI-2220-0104
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    C++ Coding Standards and Style Guide (2005)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: This document is based on the "C Style Guide" (SEL-94-003). It contains recommendations for C++ implementations that build on, or in some cases replace, the style described in the C style guide. Style guidelines on any topics that are not covered in this document can be found in the "C Style Guide." An attempt has been made to indicate when these recommendations are just guidelines or suggestions versus when they are more strongly encouraged. Using coding standards makes code easier to read and maintain. General principles that maximize the readability and maintainability of C++ are: (1) Organize classes using encapsulation and information hiding techniques. (2) Enhance readability through the use of indentation and blank lines. (3) Add comments to header files to help users of classes. (4) Add comments to implementation files to help maintainers of classes. (5) Create names that are meaningful and readable.
    Keywords: Computer Programming and Software
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    General Mission Analysis Tool (GMAT): Mission, Vision, and Business Case (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: The Goal of the GMAT project is to develop new space trajectory optimization and mission design technology by working inclusively with ordinary people, universities businesses and other government organizations; and to share that technology in an open and unhindered way. GMAT's a free and open source software system; free for anyone to use in development of new mission concepts or to improve current missions, freely available in source code form for enhancement or future technology development.
    Keywords: Computer Programming and Software
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    General Mission Analysis Tool (GMAT) (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: The General Mission Analysis Tool (GMAT) is a space trajectory optimization and mission analysis system developed by NASA and private industry in the spirit of the NASA Mission. GMAT contains new technology and is a testbed for future technology development. The goal of the GMAT project is to develop new space trajectory optimization and mission design technology by working inclusively with ordinary people, universities, businesses, and other government organizations, and to share that technology in an open and unhindered way. GMAT is a free and open source software system licensed under the NASA Open Source Agreement: free for anyone to use in development of new mission concepts or to improve current missions, freely available in source code form for enhancement or further technology development.
    Keywords: Computer Programming and Software
    Format: application/pdf
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  • 5
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    General Mission Analysis Tool (GMAT) User's Guide (Draft) (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: 4The General Mission Analysis Tool (GMAT) is a space trajectory optimization and mission analysis system. This document is a draft of the users guide for the tool. Included in the guide is information about Configuring Objects/Resources, Object Fields: Quick Look-up Tables, and Commands and Events.
    Keywords: Computer Programming and Software
    Format: application/pdf
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  • 6
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    General Mission Analysis Tool (GMAT) Acceptance Test Plan [Draft] (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: The information presented in this Acceptance Test Plan document shows the current status of the General Mission Analysis Tool (GMAT). GMAT is a software system developed by NASA Goddard Space Flight Center (GSFC) in collaboration with the private sector. The GMAT development team continuously performs acceptance tests in order to verify that the software continues to operate properly after updates are made. The GMAT Development team consists of NASA/GSFC Code 583 software developers, NASA/GSFC Code 595 analysts, and contractors of varying professions. GMAT was developed to provide a development approach that maintains involvement from the private sector and academia, encourages collaborative funding from multiple government agencies and the private sector, and promotes the transfer of technology from government funded research to the private sector. GMAT contains many capabilities, such as integrated formation flying modeling and MATLAB compatibility. The propagation capabilities in GMAT allow for fully coupled dynamics modeling of multiple spacecraft, in any flight regime. Other capabilities in GMAT inclucle: user definable coordinate systems, 3-D graphics in any coordinate system GMAT can calculate, 2-D plots, branch commands, solvers, optimizers, GMAT functions, planetary ephemeris sources including DE405, DE200, SLP and analytic models, script events, impulsive and finite maneuver models, and many more. GMAT runs on Windows, Mac, and Linux platforms. Both the Graphical User Interface (GUI) and the GMAT engine were built and tested on all of the mentioned platforms. GMAT was designed for intuitive use from both the GUI and with an importable script language similar to that of MATLAB.
    Keywords: Computer Programming and Software
    Format: application/pdf
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  • 7
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    The General Mission Analysis Tool (GMAT) System Test Plan (2007)
    In:  CASI
    Details
    Publication Date: 2018-06-06
    Description: This document serves as the System Test Approach for the GMAT Project. Preparation for system testing consists of three major stages: 1) The Test Approach sets the scope of system testing, the overall strategy to be adopted, the activities to be completed, the general resources required and the methods and processes to be used to test the release. It also details the activities, dependencies and effort required to conduct the System Test. 2) Test Planning details the activities, dependencies and effort required to conduct the System Test. 3) Test Cases documents the tests to be applied, the data to be processed, the automated testing coverage and the expected results. This document covers the first two of these items, and established the framework used for the GMAT test case development. The test cases themselves exist as separate components, and are managed outside of and concurrently with this System Test Plan.
    Keywords: Computer Programming and Software
    Format: application/pdf
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  • 8
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    Transformation of OODT CAS to Perform Larger Tasks (2008)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: A computer program denoted OODT CAS has been transformed to enable performance of larger tasks that involve greatly increased data volumes and increasingly intensive processing of data on heterogeneous, geographically dispersed computers. Prior to the transformation, OODT CAS (also alternatively denoted, simply, 'CAS') [wherein 'OODT' signifies 'Object-Oriented Data Technology' and 'CAS' signifies 'Catalog and Archive Service'] was a proven software component used to manage scientific data from spaceflight missions. In the transformation, CAS was split into two separate components representing its canonical capabilities: file management and workflow management. In addition, CAS was augmented by addition of a resource-management component. This third component enables CAS to manage heterogeneous computing by use of diverse resources, including high-performance clusters of computers, commodity computing hardware, and grid computing infrastructures. CAS is now more easily maintainable, evolvable, and reusable. These components can be used separately or, taking advantage of synergies, can be used together. Other elements of the transformation included addition of a separate Web presentation layer that supports distribution of data products via Really Simple Syndication (RSS) feeds, and provision for full Resource Description Framework (RDF) exports of metadata.
    Keywords: Computer Programming and Software
    Type: NPO-44883 , NASA Tech Briefs, June 2008; 15
    Format: application/pdf
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  • 9
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    Software Framework for Peer Data-Management Services (2007)
    In:  CASI
    Details
    Publication Date: 2019-07-12
    Description: Object Oriented Data Technology (OODT) is a software framework for creating a Web-based system for exchange of scientific data that are stored in diverse formats on computers at different sites under the management of scientific peers. OODT software consists of a set of cooperating, distributed peer components that provide distributed peer-to-peer (P2P) services that enable one peer to search and retrieve data managed by another peer. In effect, computers running OODT software at different locations become parts of an integrated data-management system.
    Keywords: Computer Programming and Software
    Type: NPO-40370 , NASA Tech Briefs, October 2007; 41
    Format: application/pdf
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  • 10
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    Real-Time Hardware-in-the-Loop Simulation of Ares I Launch Vehicle (2009)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The Ares Real-Time Environment for Modeling, Integration, and Simulation (ARTEMIS) has been developed for use by the Ares I launch vehicle System Integration Laboratory at the Marshall Space Flight Center. The primary purpose of the Ares System Integration Laboratory is to test the vehicle avionics hardware and software in a hardware - in-the-loop environment to certify that the integrated system is prepared for flight. ARTEMIS has been designed to be the real-time simulation backbone to stimulate all required Ares components for verification testing. ARTE_VIIS provides high -fidelity dynamics, actuator, and sensor models to simulate an accurate flight trajectory in order to ensure realistic test conditions. ARTEMIS has been designed to take advantage of the advances in underlying computational power now available to support hardware-in-the-loop testing to achieve real-time simulation with unprecedented model fidelity. A modular realtime design relying on a fully distributed computing architecture has been implemented.
    Keywords: Computer Programming and Software
    Type: M09-0528 , AIAA Modeling and Simulation Technologies Conference; Aug 10, 2009 - Aug 13, 2009; Chicago, IL; United States
    Format: application/pdf
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