saidyadup.m

老外写的小波变换的工具箱

function [beta,alfa] = SAIDyadUp(afine,D,F,EF,t,j)
% SAIDyadUp -- SAI Dyad Up
%  Usage
%    [beta,alfa] = SAIDyadUp(afine,D,F,EF,t,j)
%

n = length(afine);
acoarse = (afine(1:2:(n-1)) + afine(2:2:n)) ./ 2;
ahat = SegRefine(acoarse,D,F,EF,t,j);
adif = afine - ahat;
alfa = sqrt(2) .* adif(2:2:n);
beta = sqrt(2) .* acoarse;
    
    
    
 
 
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