资源简介
有关小波分解的matlab基础应用,很常见的仿真
代码片段和文件信息
load leleccum;
s = leleccum(1:3920);
l_s = length(s);
%coefficients of the level 1 approximation (cA1) and detail (cD1).
[cA1cD1] = dwt(s‘db1‘);
%construct the level 1 approximation and detail (A1 and D1) from the
%coefficients cA1 and cD1
A1 = upcoef(‘a‘cA1‘db1‘1l_s); %A1 = idwt(cA1[]‘db1‘l_s);
D1 = upcoef(‘d‘cD1‘db1‘
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