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Abstract

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.

Patent Number

9,063,225

Assignee

Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US); Michigan Technological University, Houghton, MI (US)

Application Number

13/414,299

Date Filed

3-7-2012

Certificate of Correction

No

Issue Date

6-13-2015

Disciplines

Automotive Engineering | Engineering

High resolution Doppler collision avoidance radar

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