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资源说明：function [tfr,dgr,gam]=tfrgabor(sig,N,q,h,trace)
%TFRGABOR Gabor representation of a signal.
% [TFR,DGR,GAM]=TFRGABOR(SIG,N,Q,H,TRACE) computes the Gabor
% representation of signal X, for a given synthesis window H, on a
% rectangular grid of size (N,M) in the time-frequency plane. M and N
% must be such that
% N1 = M * N / Q
% where N1=length(X) and Q is an integer corresponding to the
% degree of oversampling.
%
% SIG : signal to be analyzed (length(SIG)=N1).
% N : number of Gabor coefficients in time (N1 must be a multiple
% of N) (default : divider(N1)).
% Q : degree of oversampling ; must be a divider of N
% (default : Q=divider(N)).
% H : synthesis window, which was originally chosen as a Gaussian
% window by Gabor. Length(H) should be as closed as possible
% from N, and must be >=N (default : Gauss(N+1)).
% H must be of unit energy, and CENTERED.
% TRACE : if nonzero, the progression of the algorithm is shown
% (default : 0).
% TFR : Square modulus of the Gabor coefficients. When
% called without output arguments, TFRGABOR runs TFRQVIEW.
% DGR : Gabor coefficients (complex values).
% GAM : biorthogonal (dual frame) window associated to H.
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