?? ambi.est.m
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function Qalpha= ambi.est(x, y, MAX_M_LAG, alpha)% function Qalpha= corr_est(x, y, MAX_M_LAG, alpha)% This file is part of the TFPM toolbox v1.0 (c)% michael.jachan@tuwien.ac.at and underlies the GPL.% % Computes the cyclic outer signal product of x[n] and y[n] for % alpha= +/-1/2. if(MAX_M_LAG==-1) then Qalpha is a full NxN% FFT-ready matrix. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%clear;tfpm;MAR = 7;LAR = 5;MMA = 0;LMA = 0;N = 16;re_im= 'r';mo_no= 'm';tfpm_file_gen;%-------------x= randn(N, 1);%x= (1:N).';y= x;MAX_M_LAG= 2;alpha = 1/2;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%Dimensions:N= length(x);Qalpha= corr_est_non([x(:);x(:);x(:)], [y(:);y(:);y(:)], MAX_M_LAG, alpha);if(MAX_M_LAG==-1) Qalpha= Qalpha(N+1:2*N, N+1:2*N);else Qalpha= Qalpha(N+1:2*N, :);end;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%size(Qalpha)Q0= ker_to_lag(x*y', MAX_M_LAG, alpha);norm(Q0-Qalpha)%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%?? 快捷鍵說明
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