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MultiVisu2.m
资源名称:小波去噪.rar [点击查看]
上传用户:sla11nk8
上传日期:2013-03-09
资源大小:21k
文件大小:1k
源码类别:
其他
开发平台:
Matlab
- function ws = MultiVisu2(wc,L)
- %
- %%%%%%%%It's My Own Function!!!
- %
- % MultiVisu2 -- Apply sqrt(2log(n)) Thresholding to Wavelet Coefficients
- % Usage
- % ws = MultiVisu2(wc,L)
- % Inputs
- % wc Wavelet Transform of noisy sequence with N(0,1) noise
- % L low-frequency cutoff for Wavelet Transform
- % Outputs
- % ws result of applying VisuThresh to each High Frequency
- % Dyadic Block
- %
- [n,J] = dyadlength(wc);
- ws = wc;
- for j=(J-1):-1:L
- [t1,t2]=dyad2HH(j);
- ws(t1,t2)=VisuThresh2(wc(t1,t2),'Hard');
- [t1,t2]=dyad2HL(j);
- ws(t1,t2)=VisuThresh2(wc(t1,t2),'Hard');
- [t1,t2]=dyad2LH(j);
- ws(t1,t2)=VisuThresh2(wc(t1,t2),'Hard');
- end