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An example radar apparatus has a transmission frequency modulated by a chirp waveform having three chirp segments, including increasing, decreasing, and a constant frequency segments. The chirp waveform may extend over the full revisit time of the radar beam. The frequency difference between the transmitted and echo signals are determined at least once per chirp segment. Example apparatus include a Doppler radar for vehicle use.
Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US); Michigan Technological University, Houghton, MI (US)
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Automotive Engineering | Engineering
Lee, Jae Seung; Schmalenberg, Paul Donald; Subotic, Nikola Steven; and Ebling, James Paul, "High resolution Doppler collision avoidance radar" (2015). Michigan Tech Patents. 23.