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Pulse Code Modulation (PCM) data storage and analysis using a microcomputerThe current widespread use of microcomputers has led to the creation of some very low-cost instrumentation. A Pulse Code Modulation (PCM) storage device/data analyzer -- a peripheral plug-in board especially constructed to enable a personal computer to store and analyze data from a PCM source -- was designed and built for use on the NASA Sounding Rocket Program for PMC encoder configuration and testing. This board and custom-written software turns a computer into a snapshot PCM decommutator which will accept and store many hundreds or thousands of PCM telemetry data frames, then sift through them repeatedly. These data can be converted to any number base and displayed, examined for any bit dropouts or changes (in particular, words or frames), graphically plotted, or statistically analyzed.
Document ID
19870003285
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Massey, D. E.
(NASA Wallops Flight Center Wallops Island, VA, United States)
Date Acquired
September 5, 2013
Publication Date
August 1, 1986
Subject Category
Communications And Radar
Report/Patent Number
NAS 1.60:2629
NASA-TP-2629
REPT-822.3
Report Number: NAS 1.60:2629
Report Number: NASA-TP-2629
Report Number: REPT-822.3
Accession Number
87N12718
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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