摘要
在地震勘探中,P波和S波入射到一固体液体分界面处时,在该分界面处的水平检波器和垂直检波器将接受到相应的响应.垂直检波器的响应与在自由界面处的垂直检波器的响应大概相同,而水平检波器对P波的响应相对于对S波的响应来说要强.本文发展了一种在τ—P域内,利用检波器响应特性分离P波和S波波场的新方法.
P- and S- seismic wave impinging on a liquid-solid interface give rise to energy on both horizontal and vertical geophones in seismic exploration. The response of the vertical geophone at an interface is quite similar to that on a free interface. The horizontal geophone has a stronger response to impinging P-wave and a smoother response to incident S-wave. A filtering method working in domain has been developed in this article,which separate P- and S-wave field by taking into account the geophone response. Its feasibility and practicability are verified with synthetic elastic wave data.
出处
《地球物理学进展》
CSCD
1999年第4期18-27,共10页
Progress in Geophysics
关键词
固液体分界面
P波
S波
波场分离
地震勘探
liquid-solid interface
Geophone response
p- and s-waves field separation
