可以利用射线追踪计算射线路径。
射线追踪是采用迭代法实现的。
因此需要寻找合适的射线追踪方法。
So we have to find a better way based on ray tracing method.
现有模型中，射线追踪法的计算结果较为准确。
Of the available models, the computational results of ray tracing method are comparatively accurate.
讨论了大气折射的射线追踪算法和等效地球模型；
The radial-tracing algorithm and the effective earth model are discussed.
所以不断改进射线追踪方法一直是人们的研究热点。
Therefore, constantly improving the ray-tracing method has always been the human's studied hot spot.
正演使用最短路径法射线追踪，反演采用SIRT方法。
Shortest path ray tracing is used in the forward step and SIRT in the inversion step.
由哈密顿函数法就可进行解析射线追踪和傍轴射线追踪。
Tracing and paraxial ray tracing are performed analytically by a Hamiltonian formalism.
型的精确度可与射线追踪及FDTD模型的精度相比拟。
N model is comparable to the accuracy of the ray-tracing and FDTD models.
提出了一种快速准确的水平层状介质中两点间的射线追踪方法。
A rapid and accurate method for two point ray tracing in horizontally layered velocity model is presented in this paper.
弯曲射线追踪反演结果比直射线追踪反演结果更符合真实情况。
Compared with straight ray tracing, inversion of bending ray tracing is better when data of test are accurate.
用Ng博士的话来说，这种射线追踪方法，直接来自计算机图形分解技术。
This ray tracing, as Dr Ng calls it, derives directly from computer graphics.
本文所做的非导管射线追踪计算能比较满意地解释定向实验结果。
These DF results are in good agreement with the results of non-ducted ray tracing computations.
传统的射线追踪方法包括初值问题的试射法和边值问题的弯曲法。
The traditional raytracing methods comprise the try-shooting method of the initial value problem and the bending method of the border value problem.
通过程序的改进这种平方慢度的解析射线追踪将有效地应用于实际。
It indicates that the analytical ray-tracing method is efficient in application through program improved.
模型对比表明射线追踪模型精度明显优于直线模型，更接近于实际。
The results show a much better accuracy than the linear model and closer to the reality.
射线追踪的速度和精度直接影响地震资料的静校正和偏移成像的质量。
The speed and precision of ray tracing affect the quality of statics and migration for seismic data.
该算法使用射线追踪计算传播时间，应用波场界面方程计算反射振幅。
This algorithm USES ray tracing to calculate traveltime, and DE - rives reflection amplitude from wave field interface equation.
震源定位；层析成像；震源机制； 伪弯曲法射线追踪；波数积分。
The location of the earthquakes; tomographic imaging; focal mechanism; pseudo-bending ray tracing; the integral of the wavenumber.
研究了一种适用于任意界面下射线追踪的新方法——整体迭代射线追踪法。
A new ray-tracing method - total iterative ray-tracing method in random interface is studied.
为改善计算效率，提出了一种局部口面网格优化算法对射线追踪法进行改进。
A new technique named local aperture grid optimization arithmetic was presented to improve the efficiency of the classical method.
本文给出了一种新型的快速的射线追踪方法——有效可见区域辐射源树射线跟踪法。
In this paper, we present a new rapid ray tracing method -available visible area radiant point tree ray searching.
试射法是求解两点射线追踪问题的一种方法，它的解法快速简便，易于判断和识别。
Trial ray method is an effective one for solving two point ray tracing. This method is efficient and simple.
然后，对波阵面作一近似，在此基础上，用最小走时最短路径射线追踪法完成正演。
Then, with some approximation to the wave front section, the forward modeling can be achieved through the ray tracing method based on the minimum traveling time and the shortest traveling trace assum.
微区电波传播特性分析模型多是理论模型，采用射线追踪法，对源辐射情况进行模拟。
Most propagation models , which can be adapted micro cellcluar are theory method based on ray tracing method.
本文改变了传统的层状地层的建模方式，提出了一种射线追踪中块状结构的建模方法。
Changing model-building formula in traditional layered earth model, the paper presented a blocky structural model-building method for ray-tracing.
涵盖的主题包括：几何光学射线追踪，畸变，镜头设计，孔径和停止，辐射计和光度法。
Topics covered in geometrical optics include: ray-tracing, aberrations, lens design, apertures and stops, radiometry and photometry.
研究的最小旅行时射线追踪法可大大减少层析反演的计算工作量并提高射线追踪的精度；
The least traveltime ray tracing method can greatly reduce the amount of calculation for tomographic inversion and increase the accuracy for ray tracing.
此法以反射地震资料中的观测初至旅行时与模型射线追踪旅行时之差的最小平方法为基础。
It is based on the least square of the difference between the real reflection first break time and corresponding modeled ray-tracing travel time.
此法以反射地震资料中的观测初至旅行时与模型射线追踪旅行时之差的最小平方法为基础。
It is based on the least square of the difference between the real reflection first break time and corresponding modeled ray-tracing travel time.
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