Table 3 Centre frequency of each decomposition mode for different number of decomposition modes.
Centre frequency | Number of decomposition modes | ||||||||
|---|---|---|---|---|---|---|---|---|---|
K = 1 | K = 2 | K = 3 | K = 4 | K = 5 | K = 6 | K = 7 | K = 8 | K = 9 | |
IMF1 | 0.0002 | 0.0002 | 0.0002 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 |
IMF2 | – | 0.2021 | 0.1823 | 0.0652 | 0.0594 | 0.0583 | 0.0577 | 0.0526 | 0.0508 |
IMF3 | – | – | 0.3159 | 0.2102 | 0.1992 | 0.1718 | 0.1218 | 0.1181 | 0.1034 |
IMF4 | – | – | – | 0.4308 | 0.3130 | 0.2186 | 0.2126 | 0.1786 | 0.1443 |
IMF5 | – | – | – | – | 0.4414 | 0.3171 | 0.3153 | 0.2264 | 0.1966 |
IMF6 | – | – | – | – | – | 0.4539 | 0.4059 | 0.3029 | 0.2758 |
IMF7 | – | – | – | – | – | – | 0.4621 | 0.4177 | 0.3572 |
IMF8 | – | – | – | – | – | – | – | 0.4762 | 0.4620 |
IMF9 | – | – | – | – | – | – | – | – | 0.4869 |
