基于VMD-LSTM对大地电磁信号进行噪声检测和预测重构

李博, 李长伟, 罗润林, 吕玉增, 王占

VMD-LSTM-based noise detection and predictive reconstruction for magnetotelluric signals

LI Bo, LI Chang-Wei, LUO Run-Lin, LU Yu-Zeng, WANG Zhan

图10-2 K=2时,不同α值下两个分量的时间序列和频谱 a、e、i、m、q—IMF1时间序列;b、f、j、n、r—IMF1频谱;c、g、k、o、s—IMF2时间序列;d、h、l、p、t—IMF2频谱

Fig.10-2 Time series graph and spectrogram of the two components for K=2, under different α values a、e、i、m、q—IMF1 time series graph;b、f、j、n、r—IMF1 spectrogram;c、g、k、o、s—IMF2 time series graph;d、h、l、pt—IMF2 spectrogram