Research on Rolling Bearing Fault Diagnosis Using Improved Majorization-Minimization-Based Total Variation and Empirical Wavelet Transform

<div>(a) The original signal, (b) signal with Gaussian noise, (c) the waveform of a purified signal with wavelet threshold denoising, and (d) the waveform of the purified signal using TV-MM.</div>

Shock and Vibration

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Figure 5

Figure 5: Research on Rolling Bearing Fault Diagnosis Using Improved Majorization-Minimization-Based Total Variation and Empirical Wavelet Transform 