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。
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。
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。
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
Elastic wave reverse-time migration using Hartley transform;
Hartley变换法弹性波逆时偏移
Spectral-element method for prestack reverse-time migration;
谱元法叠前逆时偏移研究
This research explored the phenomena of preference reversal for two kinds of problems by two experiments.
通过两个实验,探讨了不同性质问题下的偏好逆转现象。
This paper was designed to testify one kind of them and to further explore the influence factor of preference reversal.
通过对信息同时呈现和分别呈现两种情况下所产生的偏好逆转现象的检验,探讨不确定情况下优秀运动员决策偏好逆转的影响因素。
Kahneman advanced three heuristics that affect human judgment on the basis of Simon s bounded rationality, and elicit the preference reversal theory by which to interpret phenomena of economics.
论述了作为心理学家的经济学家卡尼曼的经济学的理论基础 ,认为其方法是以实验的方法为主 ,在继承西蒙的有限理性的基础上 ,提出三个基本的试探法及其各自的偏差 ,并进一步提出偏好逆转的理论 ,用其解释各种经济现象。
In the univariate and bivariate cases, divided differences and partial inverted differences play important roles in constructing linear and nonlinear interpolants respectively.
在一元、二元情形中 ,差商和偏逆差商分别在构造线性和非线性插值中扮演重要角色。
Numerical Simulation of Reverse Time Migration with Arbitrary Difference Precise Integration Method;
任意差分精细积分逆时偏移数值模拟
The seismic wave field reverse-time migration in transversely isotropic media
横向各向同性介质地震波场逆时偏移
Multicomponent Prestack Reverse-time Migration of Elastic Waves in Transversely Isotropic Medium with a Vertical Axis
横向各向同性介质多分量联合逆时偏移
Spectral-element method for post-stack reverse-time migration in elastic media
弹性介质中谱元法叠后逆时偏移方法研究
Influence of fractal interpolation on common shots pre-stack reverse-time migration
分形插值对共炮集记录叠前逆时偏移的影响
Ground Penetrating Radar Reverse Time Migration Processing Based on Multi-Resolution of Wavelet
基于小波多分辨探地雷达逆时偏移处理
Composite Structural Health Monitoring Based on Pre-Stack Reverse-Time Migration Method of Lamb Wave;
基于兰姆波叠前逆时偏移方法实现复合材料结构健康监测
Accurate Absorbing Boundary Conditions and Reverse-time Migration of Acoustic Wave Equation Using Non-reflecting Recursive Algorithm;
高精度吸收边界条件及声波方程无反射递推算法逆时偏移
Seismic Modeling and Reverse-time Migration with a Finite-difference Method on Irregular Grids;
非规则网格有限差分法声波方程地震正演模拟及逆时偏移
High-Order Elastic Wave Equation Forward Modeling and Reverse-Time Migration
高阶弹性波波动方程正演模拟及逆时偏移成像研究
MULTI-COMPONENT COMBINED POST-STACK REVERSE-TIME MIGRATION OF ANISOTROPIC ELASTIC WAVE EQUATION
各向异性弹性波动方程多分量联合叠后逆时偏移
Wave equation pre-stack reverse-time migration method based on high-order finite-difference approach
基于高阶有限差分的波动方程叠前逆时偏移方法
Reverse-time depth migration technology of prestack elastic wavefield and its application
弹性波叠前逆时深度偏移技术及其应用
Bias- Is the bias used in computing the shadows, again the higher the better, and the slower.
偏移－阴影计算中使用偏移时，偏移值越高，计算时间越长。
migrated time sectio
偏移校正的时间剖面
The Prestack Time Migration Study of Equivalent Offset Method;
基于等效偏移距方法叠前时间偏移的研究
Practical and Fast Velocity Analysis by Multiple Pre-Stack Time Migration
利用多次叠前时间偏移提取精确的偏移速度
Application of prestack offset regularization in prestack time migration
偏移距规则化技术在叠前时间偏移中的应用