An Efficient Noise Elimination Method for Non-stationary and Non-linear Signals by Averaging Decomposed Components

Table 2

De-noised results in SNR and RMSE of non-linear signal corrupted by different noise levels.

Noise level	10 dB		15 dB	20 dB
Criteria	SNR (dB)	RMSE	SNR (dB)	RMSE	SNR (dB)	RMSE
Wavelet shrinkage method	21.631	0.1016	26.364	0.0589	30.368	0.0372
EMD-SG method	17.832	0.1574	22.832	0.0885	27.832	0.0498
Proposed method	24.752	0.0709	29.272	0.0422	33.667	0.0254