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Data compression by a decreasing slope-threshold testResolution can be obtained at large compression ratios with method for selecting data points for transmission by telemetry in television compressed-data system. Test slope of raw data stream and compare it to symmetric pair of decreasing thresholds. When either threshold is exceeded, data are sampled and transmitted; thresholds are reset, and test begins again.
Document ID
19730000382
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Kleinrock, L.
Date Acquired
August 7, 2013
Publication Date
September 1, 1973
Subject Category
Electronic Systems
Report/Patent Number
NPO-10769
Report Number: NPO-10769
Accession Number
73B10382
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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