含气与含水砂岩的共同特征是零炮检距的振幅P都为负。
The gas-bearing sandstone and water-bearing sandstone are characterized by negative P value of zero offset.
本文对用有限单元法制作共炮点合成地震记录和零炮检距合成地震记录的方法进行了研究。
In this paper, the way of constructing the common shot-point synthetic seismogram and the zero-offset synthetic seismogram by finite element method was examined.
本文讨论了均匀介质情况下非零炮检距菲涅耳带和动校、叠加中速度误差对纵向分辨率的影响这两个问题。
This paper deals with two problems, nonzero -offset Fresnel zone in homogeneous media, and the effect of velocity error resulted in NMO correction and stacking on vertical resolution.
本文利用信号的横向相关性和信号振幅随炮检距变化的特征，提出一种既能提取有效反射信号同相轴，又能提取零炮检距道信号的方法。
A method for extracting both effective reflection events and zero-offset trace signals is developed using the lateral coherence and the property that signal amplitude changes with offset.
本文利用信号的横向相关性和信号振幅随炮检距变化的特征，提出一种既能提取有效反射信号同相轴，又能提取零炮检距道信号的方法。
A method for extracting both effective reflection events and zero-offset trace signals is developed using the lateral coherence and the property that signal amplitude changes with offset.
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