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.
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