Table 6 Quantitative evaluation of denoising performance.
From: Denoising research of shearer picks load signal based on MPE-VMD algorithm
Operating conditions | Fault types | SNR/dB | RSNR/dB | \(R^{2}\) | RMSE | CC |
|---|---|---|---|---|---|---|
Straight-ahead regular cutting | Signal interruption | 8.058 | 20.137 | 0.375 | 505.477 | 0.593 |
External noise | 17.322 | 29.342 | 0.926 | 173.983 | 0.926 | |
Abrupt signal mutation | 22.856 | 34.877 | 0.979 | 91.997 | 0.979 | |
Slant-cutting | Signal interruption | 8.301 | 16.079 | 0.507 | 311.599 | 0.631 |
External noise | 17.039 | 24.814 | 0.934 | 113.942 | 0.934 | |
Abrupt signal mutation | 25.514 | 33.289 | 0.991 | 42.947 | 0.991 |
