toon0741.m

来自「老外写的小波变换的工具箱」· M 代码 · 共 25 行

% toon0741 -- Illustrate WP Methodology on SlowChirp
%
	n = 1024;
	t = (0:(n-1))./n;
	qmf = MakeONFilter('Coiflet',3);
	D   = log2(n);
%
	xi  		= pi/5 .* t;
	SlowChirp   = cos(xi .* (1:n));
%
	WPTour('P',SlowChirp,D,qmf,'SlowChirp');
	subplot(2,2,3);
	axis([0 500 -10 10]);
	drawnow
    
    
 
 
%
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