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

<div>Comparison of denoising results for surface 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

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Figure 14

Figure 14: Enhanced Noise Suppression in Partial Discharge Signals via SVD and VMD with Wavelet Thresholding 