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Single-channel digital command-detection systemSystem, fabricated of highly-reliable digital logic elements, operates on binary pulse-code-modulated signals and derives internal synchronization from data signal. All-digital implementation of detector develops synchronization from data signal by computer cross-correlation of command modulation signal with its expected forms in sequence and adjusts detector phases in accordance with correlation peaks.
Document ID
19730000342
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Carl, C. C.
Couvillon, L. A.
Goldstein, R. M.
Posner, E. C.
Green, R. R.
Date Acquired
August 7, 2013
Publication Date
August 1, 1973
Subject Category
Electronic Systems
Report/Patent Number
NPO-11302
Report Number: NPO-11302
Accession Number
73B10342
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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