重构信号所选取IMF分量 | 重构信号信噪比(dB) | IMF分量 | 回波信号能量估算 |
IMF1 | 62.0 | IMF1 | 7.661E−3 |
IMF1, IMF2 | 60.8 | IMF2 | 7.127E−4 |
IMF1, IMF2, IMF3 | 60.0 | IMF3 | 2.131E−6 |
IMF1, IMF2, IMF3, IMF4 | 56.6 | IMF4 | 3.199E−6 |
IMF1, IMF2, IMF3, IMF4, IMF5 | 47.6 | IMF5 | 2.200E−6 |