然后对该道集进行速度分析、动校正和叠加，得到偏移地震剖面，即共散射点成像。
Then the trace gather undergoes velocity analysis, normal moveout correction and stack to bring seismic migrated section ( This is called scattering point imaging).
为了提高垂直地震剖面(VSP)成像质量，首次将高斯束偏移方法应用于VSP观测系统。
In order to improve the quality of vertical seismic profile (VSP) imaging, the Gaussian-beam migration (GBM) was applied to VSP for the first time.
地震时间剖面的数字偏移程序不但要有较好的偏移效果，还要求运算速度快，否则其应用要受到限制。
For the digital migration program of time section, it is required not only the better results but also the high speed of calculation, or its application will surely be restricted.
地震剖面上一个向上凹的、半圆形的同相轴，看上去象是微笑的样子，这是由于对含噪音数据或质量差的数据进行偏移引起的。
A concave-upward, semicircular event in seismic data that has the appearance of a smile and can be caused by poor data migration or migration of noise.
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。
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.
在垂直地震剖面中，偏移距是震源和井口之间的水平距离。在斜井的情况下，偏移距是震源和检波器在地表的投影之间的距离。
In a vertical seismic profile, offset is the horizontal distance between the source and the wellhead or the surface projection of the receiver in the case of a deviated well.
对该方法的合理性用理论模型进行了试验，并给出了三维理论模型以及三维偏移理论剖面和三维偏移地震记录剖面及其它们的横向切片。
The rationality of this method is tested by theoretical model. The 3D theoretical model, 3D theoretical migration section, 3D migrated seismic section and their seiscrop sections are presented.
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。
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。
This paper is devoted to the estimation of Q-factor in dispersive medium from zero offset VSP data in the wavelet domain.
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