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A Description of the Software Element of the NASA Eme Flight Tests

By Koppen, Sandra V

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Book Id: WPLBN0004291573
Format Type: PDF eBook :
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Reproduction Date: 1996-12-01

Title: A Description of the Software Element of the NASA Eme Flight Tests  
Author: Koppen, Sandra V
Volume: Report-Number: NAS 1.26:203214; NASA-CR-203214
Language: English
Subject: Nitrogen Dioxide, Acetyl Compounds, Organic Nitrates
Collections: Government Library Collection, Government Library Collection
Historic
Publication Date:
1996
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V, K. S. (1996). A Description of the Software Element of the NASA Eme Flight Tests. Retrieved from http://www.ebooklibrary.org/


Description
Description: In support of NASA's Fly-By-Light/Power-By-Wire (FBL/PBW) program, a series of flight tests were conducted by NASA Langley Research Center in February, 1995. The NASA Boeing 757 was flown past known RF transmitters to measure both external and internal radiated fields. The aircraft was instrumented with strategically located sensors for acquiring data on shielding effectiveness and internal coupling. The data are intended to support computational and statistical modeling codes used to predict internal field levels of an electromagnetic environment (EME) on aircraft. The software was an integral part of the flight tests, as well as the data reduction process. The software, which provided flight test instrument control, data acquisition, and a user interface, executes on a Hewlett Packard (HP) 300 series workstation and uses BP VEEtest development software and the C programming language. Software tools were developed for data processing and analysis, and to provide a database organized by frequency bands, test runs, and sensors. This paper describes the data acquisition system on board the aircraft and concentrates on the software portion. Hardware and software interfaces are illustrated and discussed. Particular attention is given to data acquisition and data format. The data reduction process is discussed in detail to provide insight into the characteristics, quality, and limitations of the data. An analysis of obstacles encountered during the data reduction process is presented.; CASI; Nasa Publication Center: Langley Research Center; Unclassified; Copyright (Distribution as joint owner in the copyright) ; Unlimited; Publicly available;; Report-Number: NAS 1.26:203214; NASA-CR-203214


 

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