1) reverse-time migration
逆时偏移
1.
An application of reverse-time migration in the ground-penetrating radar data processing;
逆时偏移在探地雷达信号处理中的应用
2.
Elastic wave reverse-time migration using Hartley transform;
Hartley变换法弹性波逆时偏移
3.
Spectral-element method for prestack reverse-time migration;
谱元法叠前逆时偏移研究
2) reverse time migration
逆时偏移
1.
With a nonuniform spatial sampling,reverse time migration imaging algorithm is presented in this paper.
提出了一种冲激脉冲表层穿透雷达(ImpSPR:Impulse Surface Penetrating Radar)非均匀空间采样下的逆时偏移(NUSS-RTM:Non uniform Spatial Sampling Reverse Time Migration)成像算法。
2.
Prestack reverse time migration requires computing the first breaks time of imaging points.
叠前逆时偏移需要计算成像点的初至时间。
3.
Based on Snell s law, an approach for calculation firstarrival travel times in a transverse isotropic media is developed, of which result can be used as the imaging condition of reverse time migration.
从snell定理出发,采用插值法求取网格空间中各点的直达波旅行时,以此作为弹性波逆时偏移的成像条件,实现多波多分量资料的逆时偏移。
3) prestack reverse-time migration
叠前逆时偏移
1.
Wave-equation finite-element prestack reverse-time migration;
波动方程有限元叠前逆时偏移
4) reverse-time depth migration
逆时深度偏移
1.
Poststack reverse-time depth migration for anisotropic elastic waves;
各向异性弹性波叠后逆时深度偏移
2.
And the paper uses the reverse-time depth migration method to realize migration of multiwave and multicomponent informations.
作者从弹性波动方程出发,用虚谱法正演模拟了横向各向同性介质中弹性波场,用弹性波多分量联合逆时深度偏移法,并在计算中很好地解决了边界反射问题,实现了多波多分量资料的偏移,获得了一些与各向异性介质有关的波场信息和认识。
6) prestack reverse-time depth migration
叠前逆时深度偏移
1.
The prestack reverse-time depth migration scheme was studied based on elastic wave equation for two wavefield components recorded in 2D isotropic media.
研究了二维各向同性介质中两分量记录的基于弹性波标量波动方程的叠前逆时深度偏移方法。
补充资料：逆时
1.失时，不合时宜。
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