Rolling Bearing Fault Diagnosis Method Based on MCMF and SAIMFE

Figure 8

Envelope spectrums of original signal and denoise signal using different methods. (a) Envelope spectrum of original signal. (b) Envelope spectrum of denoise signal by single-scale CMF. (c) Envelope spectrum of denoise signal by multi-scale CMF. (d) Envelope spectrum of denoise signal by EMD. (e) Envelope spectrum of denoise signal by WD.

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