migration velocity

[maɪˈgreɪʃən viˈlɔsiti]
  • 释义

    迁动速度;驱进速度;

数据更新时间:2025-11-14 09:24:11
1、

The authors propose a migration velocity analysis method based on a global optimization.

提出用全局最优化偏移速度分析方法求取介电常数分布.

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2、

In energy resource seismic prospecting, to best realize time difference correction of pre-stack tilted stratum, advance velocity analysis and overlay precision, present a sort of celerity realize pre-stack partial migration algorithm, called migration to zero offset ( MZO) algorithm.

在能源地震勘探中,为了更好地实现叠前倾斜地层的时差校正,提高速度分析和叠加的精度,提出了一种快速实现叠前部分偏移的算法,即零偏移距化(MZO)算法。

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3、

Its key techniques include datum correction through upward and downward continuations of wave field, velocity model modification of imaging points based on common imaging gather in depth domain, and migration anti-alias filter through interpolation of migration data before and after application of imaging condition equation.

此方法包括波场向上和向下延拓进行基准面校正、基于深度域共成像道集的成像点速度模型修正技术和应用成像条件前后作偏移数据内插的偏移反假频技术等核心技术。

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4、

Sixthly, slightly discusses the relationship between the velocity error, wave dispersion and the migration precision.

第六, 略微论述了速度误差与波场频散、波场偏移精度之间的关联.

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5、

Thinking about the importance of Pre-SDM to target layer imaging and the sensitivity of it to velocity-depth model, seismic workers have tumed their attention to migration velocity modeling in recent years.

考虑到叠前深度偏移对目的层成像的重要性和对速-深模型的敏感性,近年来,地震工作者已把注意力转移到偏移速度建模上。

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6、

Equivalent offset migration ( EOM ) method, which has particular advantages in velocity analysis and imaging, provides ideas for scattered wave imaging.

研究表明,基于等效偏移距的偏移方法 ( EOM ) 在速度分析和偏移成像方面具有独特的优势,为散射波成像方法研究提供了思路.

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7、

Furthermore, it has no limitation to velocity and the output is depth profile, the ADPI reverse-time migration is one of depth migration methods.

由于没有对速度的限制,且得到的是深度剖面,因此属于深度偏移的范围。

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