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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

US 9,063,225 B2

Assignee

Toyota Motor Engineering & Manufacturing North America, Inc., Erlanger, KY (US)

Assignee

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

Comments

For the most up-to-date information about this patent, including the availability of Certificates of Correction, be sure to check the United States Patent and Trademark Office's free, publicly accessible database: Patent Public Search https://ppubs.uspto.gov/pubwebapp/static/pages/landing.html

High resolution Doppler collision avoidance radar

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