The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 19, 2019

Filed:

Jul. 01, 2015
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Klas Alenljung, Gothenburg, SE;

Yoshihiro Abe, Gothenburg, SE;

Assignee:

DENSO CORPORATION, Kariya, Aichi-pref., JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/44 (2006.01); G01S 13/34 (2006.01); G01S 13/42 (2006.01); G01S 13/93 (2006.01); G01S 7/35 (2006.01); G01S 7/292 (2006.01); G01S 3/74 (2006.01);
U.S. Cl.
CPC ...
G01S 13/4454 (2013.01); G01S 7/2921 (2013.01); G01S 7/354 (2013.01); G01S 13/34 (2013.01); G01S 13/42 (2013.01); G01S 13/931 (2013.01); G01S 3/74 (2013.01); G01S 2013/9346 (2013.01);
Abstract

A radar apparatus includes: a transmitting portion including transmitter elements that emits a transmitting signal as a radar wave toward an object; a receiving portion including receiver elements receiving a reflection signal; and an estimation portion. The estimation portion generates a virtual receiving array including virtual receiver elements. The estimation portion divides the virtual receiving array into identical sub-arrays. The estimation portion generates covariance matrix data for each of the sub-arrays. The estimation portion averages the covariance matrix data for each of the sub-arrays to decorrelate a direct reflection signal from the object and multipath reflection signal among the reflection signal and spatially smooths the reflection signal. The estimation portion resolves the direct reflection signal from the object and the multipath reflection signal. The estimation portion determines the direction of the object.


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