Enhanced Noise Suppression in Partial Discharge Signals via SVD and VMD with Wavelet Thresholding

<div>Comparison of denoising results for corona discharge. (a) Intentional noise addition. (b) Denoising result using SVD. (c) Denoising result using SVD combined with wavelet thresholding. (d) Denoising result using the method proposed in this paper.</div>

Modelling and Simulation in Engineering

fig15

Figure 15

Figure 15: Enhanced Noise Suppression in Partial Discharge Signals via SVD and VMD with Wavelet Thresholding 