Research Article
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 |
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