cesh.m

用于模拟时变非平稳的ARMA过程

function cesh(X)
% function cesh(X)
%   This file is part of the TFPM toolbox v0.9 (c)
%   [e-mail] and underlies the GPL.
% 
% Plots the cplx-valued 2D signal S in real/imag and mag/arg. 

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if(0)% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
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N= 64;
X= randn(N)+j*randn(N);
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end;% TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clf;
subplot(4, 1, 1);mesh( real(X))
subplot(4, 1, 2);mesh( imag(X))
subplot(4, 1, 3);mesh(  abs(X))
subplot(4, 1, 4);mesh(angle(X))