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System Decommutes And Displays Telemetry DataTDPlus computer program software system for decommutation of pulse-code-modulation (PCM) telemetry signals. Provides synchronization, conversion into engineering units, and display of serial bit streams. Transforms IBM PC-compatible computer into PCM-telemetry-decommutation system. Synchronizes telemetric signals data and enables conversion back into such meaningful forms as voltage, current, pressure, and the like. Also controls operation of digital-to-analog converters to ship data to paper strip charts or to parallel digital ports for offloading to other computers. Software used to process actual data only when telemetry-data-processing computer modified in accordance with specifications contained in "TDPlus TM Data Processor" (GSC-13291). Written in Turbo C and 8088 Assembly language.
Document ID
19910000458
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Massey, D. E. (NASA Goddard Space Flight Center, Greenbelt, MD.)
Corbin, B. (NASA Goddard Space Flight Center, Greenbelt, MD.)
Date Acquired
August 14, 2013
Publication Date
September 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 9
ISSN: 0145-319X
Subject Category
Mathematics And Information Sciences
Report/Patent Number
GSC-13324
ISSN: 0145-319X
Report Number: GSC-13324
Accession Number
91B10458
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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