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hailong710

捐助贵宾 (初入文坛)

[求助] C语言编写三层小波包的程序,ARM上用 已有1人参与

对一组采样值进行三层小波包分解和重构,提取第三层八个频带的能量值,跪求大神帮忙!!
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小小小学

新虫 (初入文坛)

【答案】应助回帖

t=1:0.01:50;
s1=sin(0.314*t)+sin(0.754*t)+rand(1,length(t));
wpt=wpdec(s1,3,'db1','shannon');   %小波包分解
s130=wprcoef(wpt,[3,0]);    %小波包重构
s131=wprcoef(wpt,[3,1]);
s132=wprcoef(wpt,[3,2]);
s133=wprcoef(wpt,[3,3]);
s134=wprcoef(wpt,[3,4]);
s135=wprcoef(wpt,[3,5]);
s136=wprcoef(wpt,[3,6]);
s137=wprcoef(wpt,[3,7]);
2楼2016-06-04 19:41:47
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