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:
Mar. 15, 2016

Filed:

Oct. 29, 2014
Applicant:

Src, Inc., North Syracuse, NY (US);

Inventors:

Harvey K. Schuman, Fayetteville, NY (US);

Daniel D. Thomas, Jr., Baldwinsville, NY (US);

Assignee:

SRC, Inc., North Syracuse, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 13/44 (2006.01); G01S 13/524 (2006.01); G01S 13/87 (2006.01); G01S 7/00 (2006.01); G01S 7/28 (2006.01);
U.S. Cl.
CPC ...
G01S 13/5248 (2013.01); G01S 7/003 (2013.01); G01S 7/2813 (2013.01); G01S 13/44 (2013.01); G01S 13/5244 (2013.01); G01S 13/87 (2013.01);
Abstract

The present invention is directed to a ground moving target (GMTI) radar that can detect targets, including dismounts, with very small minimum detectable velocities by combining signals from antennas on different spatially separated platforms in a main beam clutter-suppressing spatially adaptive process without requiring that the relative positions of the antenna phase centers be accurately tracked. The clutter nulling is in addition to that provided by the Doppler filters. The spatial displacement provides a narrow mainbeam clutter null reducing undesired target suppression. The clutter-suppressing spatially adaptive structure is used in both the sum and delta channels of the monopulse processor so that the beam distortion caused by the spatial nulling is compensated for, and the monopulse look-up process is preserved to maintain angle accuracy. Noncoherent integration is employed to recover signal to noise loss resulting from the uncertain relative locations of the platforms.


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