Research Article
Rolling Bearing Fault Signal Extraction Based on Stochastic Resonance-Based Denoising and VMD
Table 4
Center frequency corresponding to different K.
| | Center frequency (Hz) |
| 2 | 1767 | 4784 | — | — | — | — | 3 | 1767 | 2789 | 4784 | — | — | — | 4 | 824 | 1767 | 2789 | 4784 | — | — | 5 | 824 | 1767 | 2789 | 3641 | 4784 | — | 6 | 824 | 1767 | 2789 | 3641 | 4668 | 4784 |
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