Research Article

A Novel Method for Adaptive Multiresonance Bands Detection Based on VMD and Using MTEO to Enhance Rolling Element Bearing Fault Diagnosis

Figure 18

Decomposition results of the experimental signal shown in Figure 15(a) by EMD: (a) waveform of IMF1~IMF4, (b) waveform of IMF5~IMF8, (c) power spectrum of IMF1~IMF4, and (d) power spectrum of IMF5~IMF8.
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