CPC G01S 13/53 (2013.01) [G01S 7/03 (2013.01); G01S 7/282 (2013.01); G01S 7/285 (2013.01); G01S 7/354 (2013.01); G01S 7/41 (2013.01); G01S 13/343 (2013.01); G01S 13/42 (2013.01); G01S 13/536 (2013.01); G01S 13/931 (2013.01)] | 20 Claims |
1. A method of operating a radar sensor system, the method comprising:
frequency down-converting, at a mixer, a received signal reflected from a target to an intermediate frequency signal, the received signal comprising a sequence of chirp ramps; and
at each chirp ramp, high-pass filtering the intermediate frequency signal,
with a first corner frequency during a first time segment of the chirp ramp, and
with a second corner frequency during a second time segment of the chirp ramp, the first corner frequency being higher than the second corner frequency.
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