Table 2.
The center frequency of IMFs after each decomposition.
| K | Center Frequency/Hz | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 7.40 | 99.14 | 366.46 | ||||||||||
| 4 | 7.36 | 99.12 | 253.26 | 375.79 | |||||||||
| 5 | 7.29 | 99.03 | 188.41 | 292.77 | 433.57 | ||||||||
| 6 | 7.26 | 99.01 | 183.05 | 277.44 | 364.69 | 446.11 | |||||||
| 7 | 5.43 | 50.09 | 100.16 | 190.48 | 281.86 | 366.56 | 446.95 | ||||||
| 8 | 5.42 | 50.08 | 100.08 | 172.82 | 235.86 | 298.41 | 372.46 | 449.38 | |||||
| 9 | 5.42 | 50.08 | 100.07 | 170.95 | 232.67 | 292.98 | 361.94 | 426.22 | 477.43 | ||||
| 10 | 5.42 | 50.07 | 99.99 | 156.58 | 205.94 | 258.90 | 309.17 | 368.90 | 428.81 | 478.57 | |||
| 11 | 5.41 | 50.06 | 99.92 | 147.42 | 193.81 | 243.19 | 292.30 | 347.19 | 386.00 | 434.47 | 480.79 | ||
| 12 | 5.41 | 50.05 | 99.86 | 138.44 | 182.52 | 226.12 | 266.20 | 306.82 | 352.70 | 392.00 | 436.61 | 481.55 | |