|   方法  |       SNR  |       RMSE  |       CC  |    
|   EMD  |       32.3771  |       0.1652  |       0.9992  |    
|   EEMD  |       26.0948  |       0.3406  |       0.9966  |    
|   CEEMD  |       31.4251  |       0.1844  |       0.9990  |    
|   CEEMDAN  |       34.4146  |       0.1307  |       0.9995  |    
|   ICEEMDAN  |       35.2221  |       0.1191  |       0.9996  |