Designing For Change Minimizing The Impact Of Changing Requirements In The Later Stages Of A Spaceflight Nasa Tm 1998 208466 Mar 1 1999
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Designing For Change Minimizing The Impact Of Changing Requirements In The Later Stages Of A Spaceflight Nasa Tm 1998 208466 Mar 1 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
Designing For Change Minimizing The Impact Of Changing Requirements In The Later Stages Of A Spaceflight Nasa Tm 1998 208466 Mar 1 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Designing For Change Minimizing The Impact Of Changing Requirements In The Later Stages Of A Spaceflight Software Project
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Author :
language : en
Publisher:
Release Date : 1998
Designing For Change Minimizing The Impact Of Changing Requirements In The Later Stages Of A Spaceflight Software Project written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Designing For Change
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-17
Designing For Change written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-17 with categories.
In the traditional 'waterfall' model of the software project life cycle, the Requirements Phase ends and flows into the Design Phase, which ends and flows into the Development Phase. Unfortunately, the process rarely, if ever, works so smoothly in practice. Instead, software developers often receive new requirements, or modifications to the original requirements, well after the earlier project phases have been completed. In particular, projects with shorter than ideal schedules are highly susceptible to frequent requirements changes, as the software requirements analysis phase is often forced to begin before the overall system requirements and top-level design are complete. This results in later modifications to the software requirements, even though the software design and development phases may be complete. Requirements changes received in the later stages of a software project inevitably lead to modification of existing developed software. Presented here is a series of software design techniques that can greatly reduce the impact of last-minute requirements changes. These techniques were successfully used to add built-in flexibility to two complex software systems in which the requirements were expected to (and did) change frequently. These large, real-time systems were developed at NASA Langley Research Center (LaRC) to test and control the Lidar In-Space Technology Experiment (LITE) instrument which flew aboard the space shuttle Discovery as the primary payload on the STS-64 mission. Allen, B. Danette Langley Research Center SOFTWARE ENGINEERING; COMPUTER PROGRAMMING; REAL TIME OPERATION; SCHEDULES; DISCOVERY (ORBITER); SPACE TRANSPORTATION SYSTEM; SPACE SHUTTLES; SPACE FLIGHT; OPTICAL RADAR; COMPLEX SYSTEMS...
Designing For Change
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Author : B. Danette Allen
language : en
Publisher:
Release Date : 1998
Designing For Change written by B. Danette Allen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
The Role Of Computational Fluid Dynamics At Marshall Space Flight Center Nasa Tm 1998 208102 Mar 1 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
The Role Of Computational Fluid Dynamics At Marshall Space Flight Center Nasa Tm 1998 208102 Mar 1 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
20th Space Simulation Conference The Changing Testing Paradigm Nasa Cr 1998 208598 Preprint Mar 1 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
20th Space Simulation Conference The Changing Testing Paradigm Nasa Cr 1998 208598 Preprint Mar 1 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Midcourse Space Experiment Data Certification And Technology Transfer Final Report Nasa Cr 1998 207757 Mar 1 1999
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Author :
language : en
Publisher:
Release Date : 1999
Midcourse Space Experiment Data Certification And Technology Transfer Final Report Nasa Cr 1998 207757 Mar 1 1999 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.