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  • 大小: 73KB
    文件類型: .rar
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    發布日期: 2021-11-29
  • 語言: Matlab
  • 標簽: 小波分析??

資源簡介

該書包含Matlab2015a 小波分析源代碼 蔡靜著

資源截圖

代碼片段和文件信息

?clear?all;
Fs?=?1000;????????????????????%?采樣頻率
T?=?1/Fs;?????????????????????%?采樣時間
L?=?1000;?????????????????????%?信號長度
t?=?(0:L-1)*T;????????????????%?時間序列
%?輸入主頻率成分為50及120Hz的正弦原始信號
x?=?0.7*sin(2*pi*50*t)?+?sin(2*pi*120*t);?
y?=?x?+?2*randn(size(t));?????%?加入一白哭聲
subplot(121);plot(Fs*t(1:50)y(1:50))
title(‘信號損壞與零均值的隨機噪聲‘)
xlabel(‘時間/毫秒‘)
NFFT?=?2^nextpow2(L);?
Y?=?fft(yNFFT)/L;
f?=?Fs/2*linspace(01NFFT/2+1);
%?單振幅譜
subplot(122);plot(f2*abs(Y(1:NFFT/2+1)))?
title(‘單振幅譜y(t)‘)
xlabel(‘頻率(Hz)‘)
ylabel(‘|Y(f)|‘)

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????688??2015-12-12?20:15??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_15.m

?????文件????????950??2015-12-12?20:15??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_16.m

?????文件????????727??2015-12-12?20:15??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_17.m

?????文件????????721??2015-12-12?20:16??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_18.m

?????文件????????595??2015-12-12?20:17??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_19.m

?????文件????????215??2015-12-12?20:08??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_2.m

?????文件???????1142??2015-12-12?20:17??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_20.m

?????文件????????833??2015-12-12?20:18??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_21.m

?????文件???????1065??2015-12-12?20:18??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_22.m

?????文件???????4163??2015-12-12?20:19??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_24.m

?????文件????????436??2015-12-12?20:09??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_4.m

?????文件????????499??2015-12-12?20:11??源程序069163-MATLAB小波分析-978-7-302-43551-8\8\m8_9.m

?????文件????????431??2015-12-12?19:59??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\emd.m

?????文件????????102??2015-12-12?20:00??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\findpeaks.m

?????文件?????????95??2015-12-12?20:00??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\getspline.m

?????文件????????153??2015-12-12?20:00??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\isimf.m

?????文件????????117??2015-12-12?20:00??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\ismonotonic.m

?????文件????????574??2015-12-12?18:10??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_1.m

?????文件????????484??2015-12-12?19:46??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_10.m

?????文件????????248??2015-12-12?19:50??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_11.m

?????文件????????344??2015-12-12?19:51??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_12.m

?????文件????????639??2015-12-12?19:53??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_13.m

?????文件????????676??2015-12-12?19:55??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_14.m

?????文件????????738??2015-12-12?19:55??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_15.m

?????文件????????950??2015-12-12?19:59??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_16.m

?????文件???????1250??2015-12-12?20:01??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_17.m

?????文件????????593??2015-12-12?18:15??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_2.m

?????文件????????411??2015-12-12?18:15??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_3.m

?????文件???????2516??2015-12-12?18:41??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_4.m

?????文件???????3654??2015-12-12?18:42??源程序069163-MATLAB小波分析-978-7-302-43551-8\7\m7_5.m

............此處省略125個文件信息

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