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資源簡介

Matlab程序代碼生成Marr小波,墨西哥草帽小波的程序 以及驗證后波形圖

資源截圖

代碼片段和文件信息

clc;clear
load?vonkoch
vonkoch=vonkoch(1:510);

S_Min=1;
S_Max=32;

index=0;
for?scale=S_Max:-1:S_Min;
????index=index+1;
????cwt_coef(index:)=Singularity_Detection(scale32*(scale)vonkoch);
end
cwtcoef_abs=abs(cwt_coef);

for?index=S_Min:S_Max
????max_coef=max(cwtcoef_abs(index:));
????min_coef=min(cwtcoef_abs(index:));
????ext=max_coef-min_coef;
????cwtcoef_abs(index:)=64*(cwtcoef_abs(index:)-min_coef)/ext;
end

figure(1)

subplot(211);
plot(vonkoch);
xlabel(‘Time‘);
ylabel(‘Amplitude‘);
title(‘Sigal‘);
axis([1?510?0?0.02])

subplot(212)
colormap(pink(64));
image(cwtcoef_abs)
set(gca‘YTick‘2:3:32)
set(gca‘YTickLabel‘32:-3:2)
title(‘連續(xù)小波變換時間尺度圖‘)
xlabel(‘時間‘)
ylabel(‘尺度‘)

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????747??2015-10-10?12:41??Marr小波\CWT.m
?????文件??????129147??2015-10-10?12:43??Marr小波\MarrCWT.fig
?????文件???????42059??2015-10-10?12:46??Marr小波\MarrCWT.jpg
?????文件?????????437??2015-10-10?12:28??Marr小波\Singularity_Detection.m

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