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onezzx

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ÎÒµÄÊÇMATLAB R2008a
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mrdwt£¬corrbound£¬mirdwt

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N=256;
sigma=10;
gamma=2;
level = 6;
[LO_D,HI_D,LO_R,HI_R] = wfilters('db4');

[yl,yh] = mrdwt(x,LO_R,level);
for k = 1:level
  cx(k) = corrbound(LO_R,k,0);
end
thres = sqrt(2*log(N)*(1+cx))*sigma*gamma/3;

eyh = yh.*(abs(yh) > kron(thres,ones(N,3*N)));
ee = mirdwt(yl,eyh,LO_R,level);


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onezzx

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8Â¥2011-09-27 09:30:00
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xiegangmai

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onezzx(½ð±Ò+40): ¶àл£¬µ«ÊÇ»¹ÉÙÒ»¸öcorrboundº¯Êý£¬ÊDz»ÊDz»ÔÚС²¨¹¤¾ßÏäÀÊÇÆäËû¹¤¾ßÏäµÄÄØ 2011-09-19 08:54:33
ben_ladeng(½ð±Ò+2): ллӦÖú 2011-09-19 17:07:35
ÃÀ¹úÖøÃûRice´óѧµÄС²¨±ä»»¹¤¾ßÏ䣬·Ç³£ÊµÓã¬ÊµÏÖÁ˼¸ºõËùÓг£ÓõÄС²¨±ä»»¹¦ÄÜ¡£-prominent American Rice University wavelet transform Toolbox, very practical, to achieve almost all commonly used wavelet transform function.

http://www.pudn.com/downloads57/ ... h/detail201584.html
Ã÷µÂºñѧ¡¢ÇóÊÇ´´ÐÂ
2Â¥2011-09-18 23:16:50
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xiegangmai

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1Â¥: Originally posted by onezzx at 2011-08-27 10:20:14:
ÎÒµÄÊÇMATLAB R2008a
²é3¸öС²¨±ä»»º¯Êý£¬ºÃÏñÊÇÈßÓàС²¨±ä»»£¬ÎÒµÄmatlabÖÐûÓУ¬ÊDz»ÊÇÒªÏÂÔØÊ²Ã´¹¤¾ßÏä?
mrdwt£¬corrbound£¬mirdwt

Ò»¶Î´úÂëÊÇÕâÑùµÄ£¬ÐźÅÊÇx
N=256;
sigma=10;
gamma=2;
level = 6; ...

ÉÏ´«ÁË£¬ÐèÒªµÄ»°¾ÍÊÔÊÔ¡£
Ã÷µÂºñѧ¡¢ÇóÊÇ´´ÐÂ
3Â¥2011-09-18 23:19:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xiegangmai

°æÖ÷ (Ö°Òµ×÷¼Ò)

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