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A real-time statistical time-series analyzerDevice extracts average frequency of human speech and produces second, third, and fourth moments of instantaneous frequency about this average. It operates on electrical time representation of input signal, performs statistical analysis on zero-crossing of almost any signal, and does not require specialized personnel to operate it.
Document ID
19710000275
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Stewart, C. H.
Date Acquired
August 6, 2013
Publication Date
August 1, 1971
Subject Category
Electronic Systems
Report/Patent Number
MSC-12428
Report Number: MSC-12428
Accession Number
71B10276
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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