Research Article
Delay-Free Tracking Differentiator Design Based on Variational Mode Decomposition: Application on MEMS Gyroscope Denoising
Table 2
Comparison of the VMD-STD with other methods with different SNRs.
| | SNR (dB) | -20 | -16 | -9 | -3 | 0 | 3 | 6 | 9 | 11 | 13 | 16 | 20 |
| | EMD-FLP | -14. 51 | -10. 23 | -3. 63 | 1. 76 | 3. 29 | 7. 85 | 9. 67 | 11. 96 | 14. 64 | 15. 79 | 18. 34 | 21. 15 | | DFA-VMD | -16. 55 | -12. 35 | -5. 59 | 0. 38 | 6. 54 | 6. 48 | 12. 77 | 12. 47 | 14. 25 | 16. 73 | 18. 90 | 22. 56 | | ARKF | -12. 71 | -9. 21 | -0. 41 | 4. 69 | 7. 12 | 10. 30 | 13. 49 | 15. 68 | 17. 73 | 19. 59 | 21. 30 | 24. 87 | | VMD-STD | -9. 70 | -3. 98 | 1. 77 | 6. 75 | 10. 14 | 13. 15 | 13. 87 | 17. 06 | 17. 96 | 19. 71 | 22. 57 | 25. 61 |
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