基于Hilbert-Huang 变换的大地电磁去噪研究
Denoising of magnetotelluric data based on Hilbert-Huang transform
a—加入噪声后的电场信号;b~f—IMF1~IMF5;g—剩余信号
a—the signal witn triangle wave; b~f—IMF1~IMF5; g—the residual signal
基于Hilbert-Huang 变换的大地电磁去噪研究 |
| 陈钧, 严良俊, 周磊 |
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Denoising of magnetotelluric data based on Hilbert-Huang transform |
| CHEN Jun, YAN Liang-Jun, ZHOU Lei |
| 图3 对加入了锯齿波噪声的模拟电场信号进行EMD分解 a—加入噪声后的电场信号;b~f—IMF1~IMF5;g—剩余信号 |
| Fig.3 In the process of EMD decomposition with noise a—the signal witn triangle wave; b~f—IMF1~IMF5; g—the residual signal |
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