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decomposition

于 2021-04-13 发布 文件大小:2KB
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代码说明:

  运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。 hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可 [C,L] = wavedec(x_noise,dl,wn); x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform) % imf = emd(x) % Func : findpeaks)

文件列表:

decomposition
decomposition\emd.m, 862, 2014-11-12
decomposition\emd_1.m, 382, 2017-11-30
decomposition\findpeaks.m, 146, 2014-11-11
decomposition\hhtdn.m, 440, 2015-06-05
decomposition\wvtdn.m, 268, 2015-06-08
decomposition\说明.txt, 308, 2017-11-16

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