medtriaddown.m

老外写的小波变换的工具箱

function [smooth,rough] = MedTriadDown(x)
% MedTriadDown -- Med Triad Down
%  Usage
%    [smooth,rough] = MedTriadDown(x)
%

n = length(x);
cx = reshape(x,3,n/3);
smooth = median(cx);
rough = cx - [ smooth ; smooth; smooth ];
rough = reshape(rough,1,n);
    
    
 
 
%
%  Part of Wavelab Version 850
%  Built Tue Jan  3 13:20:42 EST 2006
%  This is Copyrighted Material
%  For Copying permissions see COPYING.m
%  Comments? e-mail [e-mail]