Crack Growth Signal Processing Approach Combining Wavelet Threshold Denoising and Variable Amplitude DCPD Technique

Table 2

RMSE and SNR of the reference DCPD signal before and after signal processing.

Data number	Signal	RMSE (μV)	SNC (db)
1	VI1	0.06	5.68
	VSYN	0.01	40.23
2	VI1	0.05	5.66
	VSYN	0.01	40.18
3	VI1	0.07	5.52
	VSYN	0.01	40.46
4	VI1	0.11	5.19
	VSYN	0.01	40.51