ray tracing

Based on the three-dimensional ray tracing and aberration calculations, the off-axis mirror line focus system used in SERC Rutherford Appleton Laboratory is analyzed.

基于三维光线追迹的象差计算，对卢瑟福实验室用离轴球面反射线聚焦系统作了分析。

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Ray tracing is a widely used algorithm that produced high-quality computer generated images and real global illumination.

光线追踪被广泛用于生成高质量的图像，并且能生成真实的全局光照。

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First all, a new solid angle ray-tracing simulation with its-dimension sound ray model is proposed here.

首先, 在理论上提出了一种新的声线模拟计算方法 —— 立体角算法和相应的声线三维模型.

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By the aid of travel time and waveform data of trapped waves, and body waves, and using spectrum analysis and ray-tracing method can further determine the 3-D geometric shape and physical parameters of faults.

借助于围陷波和体波的走时及波形资料，利用谱分析和射线追踪方法可进一步确定断层的三维几何形态和物性参数。

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In addition, picking zero-offset travel time from two way travel time stacked reflection profile and joint ray tracing inversion with wide-angle reflection and refraction data will obtain more reliable velocity structure.

另外，拾取反射叠加时间剖面零偏移距反射走时和宽角反射并与折射走时进行联合射线追踪反演，可获得更可靠的速度结构。

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The most important application of dynamic ray tracing is to calculate paraxial ray and Gaussian beam.

动力学射线追踪最重要的应用在于傍轴射线近似和高斯射线束的计算.

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Algorithm based on Ray Tracing for Global Illumination also have great development.

基于光线跟踪的全局光照生成算法也有很大发展。

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By making use of two-dimensional ( 2 D ) ray tracing model results, a new propagation model was presented.

摘要射线跟踪是一种有效的无线通信电波传播预测方法.

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Realized the curving ray tracing method based on the Snell law.

实现了基于Snell定律的弯曲射线追踪法.

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P wave velocity structure of the upper and middle crust in the Wuzhong Lingwu region is studied using the methods of ray tracing and the joint inversion of hypocentral parameters and velocity structure.

应用射线追踪方法进行震源参数和速度结构联合反演，对宁夏吴忠、灵武地区地壳中上部P波速度结构进行了研究。

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The relation between coupling ratio of 1 × 7 tapered mixing-rod POF couplers and the length of tapered rod waveguides through numerical simulation by ray tracing method is given.

利用光线追迹法进行数值仿真得到了锥形混合棒塑料光纤耦合器的分光比与其长度的关系。

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Ray tracing with constant velocity gradient and inversion of 2-D interval velocity

常速度梯度射线追踪与二维层速度反演

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Sharma [ 1] the vector-expression of ray tracing in gradient-index media have been derived and an error function is denned in this paper.

Sharma等人提出的方法，给出了变折射率介质中光线追迹的矢量表达式；并提供了一个判断计算结果可靠与否的误差函数。

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Cephalometric X-ray, tracing, and analysis before orthodontic treatment.

图4.矫正治疗前之测颅 X 光片, 描绘及分析.

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Study of Wave Propagation Prediction about Three-Dimensional Ray Tracing Model

基于三维射线跟踪模型的电波传播预测研究

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In this paper, we present a new rapid ray tracing method& available visible area radiant point tree ray searching.

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。

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Ronchi cured bars of large paraboloidal mirror are computed from light ray tracing and third-order aberration theory.

由光线造迹和三级像差理论计算大抛物面的Ronchi弯线条。

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Three-dimensional ray tracing in ocean front region

海洋锋区的三维声线轨迹分析

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A three-dimensional sound ray tracing method by deploying regular tetrahedrons

三维声线追踪的正三棱锥前向伸展算法

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Using ray tracing code and optical path function, optimization calculation is carried out on a grazing incidence soft x ray flat field spectrometer with toroidal mirror as prepositive optic system.

采用光线追踪和光路函数的方法，优化设计了具有超环面镜的前置光学系统的掠入射软x射线平场谱仪，得到了谱仪的谱分辨和空间分辨本领。

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Thethe optical window with non-uniform index the object imaging was analyzed through the ray-tracing program.

研究结果表明针对形变情况下折射率不均匀分布的窗口中光线追迹程序可行.

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Generally seismic pre-stacking for ward modeling was done by ray tracing or two-way wave equation algorithms.

通常使用射线追踪法和全程波动方程法来实现这一模拟.

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Paraxial ray tracing for atmospheric wave propagation.

大气波传播的Paraxial射线 跟踪.

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A new method of mini-refraction ray tracing is given based on a model of homogeneous medium tilted interface, by which formation velocity, its thickness and its apparent dip ( along the spread direction of mini refraction) could be calculated.

给出了一种基于均匀介质倾斜界面模型的小折射射线追踪新方法，可以计算地层层速度、厚度及地层视倾角（沿小折射排列方向）；

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In this paper, the mountain-based radio occultation is simulated using the 3D ray tracing technique. The starting time, the azimuth angle and the duration of the occultation events are obtained.

利用3维射线追踪技术模拟山基（或机载）无线电掩星，研究掩星事件出现的时间、方位角和掩星事件持续时间；

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Ray tracing now seems set to leap the speed barrier, however.

不过,光迹追踪法似乎即将跨越速度的障碍.

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The most accurate ray-tracing model is used firstly on the development simulation of resist exposed by electron beam.

在电子束曝光胶图形的三维显影模拟工作中，首次使用了最精确的三维线踪模型。

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DRR was created by ray-tracing, and surface was built by the library of OpenGL.

其中DRR由光线跟踪生成, 三维表面由OpenGL库生成.

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This article primarily introduce the basic principle of volume ray tracing algorithm and its realization.

论述了体光线跟踪的基本原理及算法实现.

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The transient thermal-optical distortion in the Nd: YAG laser rod repeat pulse-pumped by high power ring-LD array has been simulated in detail by using ray tracing method and finite element method.

从高功率环形LD阵列的发光特性出发，用光线追迹法和有限元方法计算得到高功率激光二极管阵列重复脉冲抽运棒状激光器在线偏振状态工作下的瞬态热畸变。

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