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.
Patent No.:
Date of Patent:
Apr. 08, 2008
Filed:
Mar. 24, 2004
Applicants:
Pierre Alinat, Vence, FR;
Georges Bienvenu, Biot, FR;
Inventors:
Pierre Alinat, Vence, FR;
Georges Bienvenu, Biot, FR;
Assignee:
Thales, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 15/10 (2006.01); G01S 15/52 (2006.01); G01S 15/58 (2006.01); G01S 15/89 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to the field of underwater acoustics and more particularly to the field of signal processing in a low frequency (LF) active sonar system. The present invention makes it possible to decrease the false alarm rate while retaining the classification of the objects. The subject of the invention is a method of processing signals received corresponding to a signal emitted comprising by recurrence two pulses, a first Doppler tolerant broadband pulse of HFM type in particular and a second Doppler intolerant broadband pulse of BPSK type in particular, comprising: