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《Chinese Journal of Engineering Geophysics》 2010-01
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The Auto-adaption Signal Reconstruction Technique to Improve the Signal to Noise Ration of Seismic Data

Wen Jianqiu1,Chen Guojun2 (1.Institute of Geophysics and Geomatics,China University of Geosciences,Wuhan 430074,China; 2.Exploration & Development Science Research Institute,ZPEB,Puyang 457001,China)  
The differences of eigenvalue between signal and noise are used in this paper.The noise is suppressed by singular value decomposition technology.The method is put forward that the eigenvalue number is auto-adaptively chosen based on multi-channel semblance coefficient size.The signal is reconstructed and the signal and the noise are separated,so the signal-to-noise ratio is improved.The results of synthetic data with noise and practical seismic data processing show that this method can further hold the signal and effectively improve the signal to noise ration of the seismic data.
【CateGory Index】: P631.4
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