Research Article
An Efficient Noise Elimination Method for Non-stationary and Non-linear Signals by Averaging Decomposed Components
Table 1
De-noised results in SNR and RMSE of non-stationary 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 | 15.587 | 0.1663 | 20.970 | 0.0895 | 26.604 | 0.0468 | | EMD-SG method | 18.055 | 0.1251 | 23.055 | 0.0704 | 28.056 | 0.0396 | | Proposed method | 24.724 | 0.0581 | 29.428 | 0.0338 | 34.688 | 0.0184 |
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