FM-CW radar processing device
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United States of America Patent
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-
Jan 6, 2004
Grant Date -
Jul 10, 2003
app pub date -
Oct 22, 2002
filing date -
Feb 6, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An FM-CW radar processing system pairs up peaks obtained by fast-Fourier transforming a beat signal occurring on an up portion and a down portion of a triangular-shaped FM-CW wave, calculates a distance or relative velocity with respect to a target object based on the peak signal in the up portion and the peak signal in the down portion obtained by the pairing, and compares the distance or relative velocity, obtained after changing the modulating signal for the FM-CW wave, with the distance or relative velocity obtained before changing the modulating signal. If the distance or relative velocity differs before and after changing the modulating signal, the pairing is judged to be mispairing.
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