Multiple target ranging system
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United States of America Patent
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-
Jan 24, 2006
Grant Date -
N/A
app pub date -
Aug 16, 1990
filing date -
Aug 16, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A continuous wave ranging system, comprising a modulator 2 for modulating an r.f. carrier wave in accordance with a pseudo-random code 3, a transmitting antenna 5 for radiating the modulated signal towards a target, a receiving antenna 6 and receiver 7 for detecting the signal reflected back from the target, a correlator 8 for correlating the reflected signal with a transmitted code with a selected phase shift 9 corresponding to the current range gate to be tested, and means 10, 11, 12 for processing the range/amplitude data from the correlator 8 to discriminate between reflections due to the target and those due to other objects adjacent to the target.
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