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Video Processor for Transponder PulsesCircuit detects interrogation signals from air-traffic-control station and determines whether transponder of airplane should respond. Circuit examines relative magnitudes of first two pulses in three-pulse sequence of interrogation signal. On basis of relative magnitudes, circuit decides whether main lobe of interrogating radar beam is received (response should be generated) or only side lobe received (and interrogation ignored). Circuit simple and inexpensive.
Document ID
19860000102
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Byrne, F.
Date Acquired
August 12, 2013
Publication Date
May 1, 1986
Publication Information
Publication: NASA Tech Briefs
Volume: 10
Issue: 2
ISSN: 0145-319X
Subject Category
Electronic Components And Circuits
Report/Patent Number
KSC-11155
Accession Number
86B10102
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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