Rolling Bearing Fault Vibration Signal Denoising Based on Adaptive Morphological Wavelet Perona–Malik Filter Algorithm

<div>Comparison between original gradient and its average gradient. (a) Denoised signal with new operator. (b) Denoised signal with adaptive operator.</div>

Shock and Vibration

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Figure 4

Figure 4: Rolling Bearing Fault Vibration Signal Denoising Based on Adaptive Morphological Wavelet Perona–Malik Filter Algorithm 