Device for computing a sliding and nonrecursive discrete Fourier

Details Device for computing a sliding and nonrecursive discrete Fourier Device for computing a sliding and nonrecursive discrete Fourier

1986-09-23

1990-05-29

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Complex signal

342196, 364726, G01S 744

Patent

active

049299549

ABSTRACT:
A device for computing a nonrecursive and sliding discrete Fourier transform as applicable in particular to processing of a pulse compression radar signal has N identical and parallel stages (E.sub.k) for receiving in each case samples of the input signal (e.sub.m+N). Each stage comprises two complex rotation operators, two adder-subtracters and two delay circuits and delivers a signal X.sub.k.sup.m+1 obtained from the following equations: ##EQU1##

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