The key to successful or failing use of non-zero offset VSP technique lies in the design of the layout.
观测系统的设计是非零偏移距VSP技术应用成败的关键。
The gas-bearing sandstone and water-bearing sandstone are characterized by negative P value of zero offset.
含气与含水砂岩的共同特征是零炮检距的振幅P都为负。
This paper is devoted to the estimation of Q-factor in dispersive medium from zero offset VSP data in the wavelet domain.
讨论了地震子波为一般零相位子波情况下，利用零偏移距垂直地震剖面（VSP）资料在时-频域计算Q值方法。
Some applied examples related to zero and non-zero offset VSP data from a certain oilfield are also presented in the paper.
文中还给出了某油田实际零偏和非零偏VSP资料的应用实例。
Thereafter a waveform sequence is input into the digital-to-analog converter (100), wherein the waveform sequence has a zero offset at the boundary.
此后，将波形序列输入到数字模拟转换器中（100），其中该波形序列具有在边界处的零偏移。
Then the azimuth of formation fractures is estimated; and with the joint use of zero offset P wave source VSP data, fast and slow shear wave seismograms are obtained to have fracture density.
在获得地下裂隙方位角的同时，结合零偏纵波VSP资料得到快、慢S波记录，进而计算了裂隙密度。
Consequently, with the use of curve fitting method, the inversion of all seismic lithologic parameters can be easy achieved, and zero-offset section can be obtained.
所以利用曲线拟合方法很容易实现全部地震岩性参数的反演，并可提取零偏移距剖面。
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。
Examples show that zero-offset VSP forward model can be computed fast and correctly using this method.
实例表明，用此方法计算零偏移距VS p正演模型，速度极快且结果准确。
The paper fin- ally describes both the application of VMF to zero-offset VSP data processing and the effect.
文中最后讨论了矢量中值滤波在零偏移距VSP资料处理中的应用和效果。
The CRS-stacked zero-offset section can be corrected (redatumed) to a given planar level by kinematic wave field attributes.
在基准面重建时，利用CRS运动学波场参数可将CRS叠加剖面校正到一选定的水平面上。
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。
The method for computing the zero-offset VSP forward model in the case of horizontal beds is given.
本文给出一种地层为水平层状情况下，零偏移距的VSP 正演模型计算方法。
Tests on synthetic zero-offset VSP data showed that the method is reliable.
通过零偏VSP理论模型试算，证实了这种方法的可靠性。
Tests on synthetic zero-offset VSP data showed that the method is reliable.
通过零偏VSP理论模型试算，证实了这种方法的可靠性。
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