資源簡(jiǎn)介
很好的小波分析諧波的程序,可用于奇異點(diǎn)捕獲,調(diào)整量提取等
代碼片段和文件信息
clear;
%此程序主要用于標(biāo)準(zhǔn)HARMONIC分解
%單頻及諧波
for?i=0:1023;
????z(i+1)=1*sin(2*pi*50*i/1024);%+25*sin(2*pi*100*i/1024);
??
?%????if?(z(i+1)>=60)?
?%??????z(i+1)=55;
?%??end????
??
end
figure(1)
%?plot(i(0:1023)z(1:1024)‘:‘)
plot(0:1023z)
%z(512)=1*sin(2*pi*50*i/1024+5/180*pi);%512點(diǎn)處相位突變
%?周期性微小變化幅值處理中采用log
for?i=100:100:1024
???%z(i)=z(i)+0.01;
????
end
%個(gè)別突變點(diǎn)變化
%z(200)=z(200)+1;
%幅值突變???幅值處理中no?log
for?i=512:1023;
%z(i)=1.4*sin(2*pi*50*i/1024);??%幅值突變???幅值處理中no?log
??z(i)=sin(2*pi*50*i/1024)+1*sin(2*pi*100*i/1024);???%頻率突變???幅值處理中no?log
end
AA=hmapdn(z);%求諧波小波均方值
for?i=1:8
???for?j=1:1024
??%??AA(ij)=1;
??end
end
%?AA?
?%時(shí)域波形
%subplot(411);
%plot(z);
%axis([01024-1.51.5]);
%title(‘(a)‘);
%Ylabel(‘幅值‘);Xlabel(‘點(diǎn)數(shù)(時(shí)間)‘);
%subplot(31
?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????1376??2007-09-13?11:06??HarmoniousWavelet\harmonicA.m
?????文件?????????444??2013-03-01?10:57??HarmoniousWavelet\hmapdn.m
?????文件?????????341??2007-07-08?21:30??HarmoniousWavelet\hwtdn.m
?????文件?????????329??2007-07-08?21:29??HarmoniousWavelet\ihwtdn.m
?????文件???????34641??2013-02-28?16:36??HarmoniousWavelet\剖面圖2.fig
?????目錄???????????0??2013-02-28?16:36??HarmoniousWavelet\
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