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:
Feb. 02, 1988
Filed:
Jun. 26, 1986
Applicant:
Inventor:
Philippe Elleaume, Antony, FR;
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
342194 ; 342196 ; 364726 ;
Abstract
A device for calculating a discrete moving window Fourier transform. It comprises an assembly of circuits receiving samples of the input signal (E.sub.m+n), the output signal of this assembly (.delta..sub.m) being applied to a plurality of N identical and parallel stages (E.sub.k). The assembly of circuits comprises a shift register conferring a delay of N sampling periods on the incident signal and an adder performing the subtraction: