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instantaneous polarization filtering focused on suppression of surface waves

Applied Geophysics 2010年第1期7卷 88-97,100页

作者：芦俊王赟杨春颖中国科学院地质与地球物理研究所北京100029

The different characteristics of polarization of body and Rayleigh waves make it possible to separate these two types of waves by their characteristics and suppress the *** moving time-window analysis often is used in polarization filtering but it is difficult to determine a suitable time-window length,resulting in some problems,such as complex eigenvalues and *** overcoming these disadvantages,in this paper,we introduce the concept of complex-trace analysis and conduct de-noise processing to suppress undesirable surface waves by instantaneous polarization analysis in the case of horizontal and vertical component seismic recordings from the Hauinan coal *** performance of the method is illustrated by examples with synthetic and field data and its effectiveness to remove surface waves from multi-component seismic data is demonstrated.

关键词： Rayleigh waves polarization complex-trace instantaneous polarization analysis multi-component

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instantaneous polarization filtering focused on suppression of surface waves

Instantaneous polarization filtering focused on suppression ...

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中国科学院地质与地球物理研究所第十届(2010年度)学术年会

作者： Lu Jun,Wang Yun,and Yang Chun-Ying 1.Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing,100029,China. 2.Institute of Geochemistry,Chinese Academy of Sciences,Guiyang,550002,China.

The different characteristics of polarization of body and Rayleigh waves make it possible to separate these two types of waves by their characteristics and suppress the latter. The moving time-window analysis often is used in polarization filtering but it is difficult to determine a suitable time-window length,resulting in some problems,such as complex eigenvalues and *** overcoming these disadvantages,in this paper,we introduce the concept of complex-trace analysis and conduct de-noise processing to suppress undesirable surface waves by instantaneous polarization analysis in the case of horizontal and vertical component seismic recordings from the Hauinan coal *** performance of the method is illustrated by examples with synthetic and field data and its effectiveness to remove surface waves from multi-component seismic data is demonstrated.

关键词： Rayleigh waves polarization complex-trace instantaneous polarization analysis multi-component

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