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:
Jan. 25, 2000

Filed:

Feb. 18, 1999
Applicant:
Inventors:

Masashi Mitsumoto, Tokyo, JP;

Takahiko Fujisaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S / ; G01S / ;
U.S. Cl.
CPC ...
342109 ; 342 99 ; 342111 ; 342115 ; 342200 ;
Abstract

A radar data processing method of switching a continuous wave consisting of up phase and down phase into a transmission signal and a local signal in an interrupted manner and using a beat signal between the local signal and a reception signal. The method comprises the steps of setting a range of beat frequencies in up phase used for making a search for a combination and a range of beat frequencies in down phase used for making a search for a combination from beat frequencies corresponding to a distance range to be measured and a predetermined measurement speed range, and making a search for a combination for the same target for the beat frequencies in the up phase and the beat frequencies in the down phase only in the range.


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