If selecting different datum, the corresponding results of velocity analysis and stack are different too.
如果选择不同的基准面，相应的速度分析和叠加结果也会不同。
This thesis is about the research of stack velocity analysis and singularity detection.
本文的主要研究工作就是叠加速度分析和奇异性检测。
Considering the properties of low stack folds, shallow objected layers and big background noise of shallow seismic data, the parameters selection for velocity analysis is studied in the paper.
针对浅层地震资料目的层较浅、叠加次数少和城市背景干扰大等特点，文中对速度分析的参数选取问题进行了研究。
Then the trace gather undergoes velocity analysis, normal moveout correction and stack to bring seismic migrated section ( This is called scattering point imaging).
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, software about velocity analysis, stack and migration are studied and analyzed basing on the characteristics of the hydrate.
其次，我们还针对天然气水合物的特性，研究并分析了资料处理过程中的速度分析、叠加处理、和偏移处理软件。
Then, software about velocity analysis, stack and migration are studied and analyzed basing on the characteristics of the hydrate.
其次，我们还针对天然气水合物的特性，研究并分析了资料处理过程中的速度分析、叠加处理、和偏移处理软件。
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