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这是关于HHT的一个实际信号的HHT谱和边际谱源码。你只需复制到matlab即可运行。很实用。-This is about a real signal HHT HHT spectrum and marginal spectrum of the source code. You just copied to the matlab to run. Very practical.
Update : 2025-02-19 Size : 3kb Publisher :

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hht2篇经典之作 不得不看的文献 非常有参考价值-Hht2 article classic must see literature
Update : 2025-02-19 Size : 2.13mb Publisher : 郑庆阳

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Hilbert变换只是单纯地求信号的瞬时振幅,频率和相位,有可能出现没有意义的负频率;HHT变换先将信号进行EMD分解,得到的是各个不同尺度的分量,对每一个分量进行Hilbert变换后得到的是有实际意义的瞬时频率。 -imagesc(t,fliplr((1:size(im,1))/(2*size(im,1))),im,[inf,0]) set(gca, YDir , normal ) xlabel([ time ]) ylabel([ normalized frequency ]) title( Hilbert-Huang spectrum ) function [f,z]=fftfenxi(t,y) L=length(t) N=2^nextpow2(L)
Update : 2025-02-19 Size : 2kb Publisher : 景小兵
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