Rolling Element Bearing Fault Diagnosis Using Integrated Nonlocal Means Denoising with Modified Morphology Filter Operators

Figure 13

Impulsive extracting results of outer race defect signal in Figure 11: (a) waveform; (b) FFT spectrum of the OR fault signal after Modified-DIF morphology analysis; (c) OR fault signal after NLM denoising; (d) waveform; and (e) FFT spectrum of the OR fault signal after Modified-DIF morphology-based NLM denoising analysis.

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