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

<div>Comparison between PDE model and its improved models. (a) Denoised signal with Perona–Malik model. (b) Denoised signal with Catté operator. (c) Denoised signal with new operator.</div>

Shock and Vibration

fig3

Figure 3

Figure 3: Rolling Bearing Fault Vibration Signal Denoising Based on Adaptive Morphological Wavelet Perona–Malik Filter Algorithm 