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

Figure 13

Analyzed results of the simulated signal with double resonance bands shown in Figure 8(b) by the EMD-based demodulation method: (a) kurtosis curve of 13 decomposed IMFs; (b) envelope waveform of IMF2; (c) envelope spectrum of IMF2; (d) envelope waveform of IMF3; (e) envelope spectrum of IMF3.

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(b)

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