This paper presented a positioning model based on ray-tracing method.
提出了一种基于射线跟踪方法的定位模型。
N model is comparable to the accuracy of the ray-tracing and FDTD models.
型的精确度可与射线追踪及FDTD模型的精度相比拟。
In this paper, a displacement mapping algorithm based on sphere ray-tracing is introduced.
文章提出了一种基于球形光线追踪的位移贴图算法。
It indicates that the analytical ray-tracing method is efficient in application through program improved.
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。
Ray-tracing method, which is one of the typical method in room-acoustic computer simulation, is discussed.
对房间声学计算机模拟方法中的经典方法之——声线跟踪法进行了分析。
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。
The transmission characteristic of hollow duct was described by using a ray-tracing method and compared with the lens duct.
用光线追迹方法描述了空心导管的传输特性，并与透镜导管做了比较。
Analytical expressions of groove parameters are derived up to the forth order with (ray-tracing) theory of geometry optics.
根据几何光学的光线追迹理论，推导了光栅参量的四阶解析表达式。
Topics covered in geometrical optics include: ray-tracing, aberrations, lens design, apertures and stops, radiometry and photometry.
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。
Changing model-building formula in traditional layered earth model, the paper presented a blocky structural model-building method for ray-tracing.
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。
This paper presents an effective radio wave propagation prediction model by using radiation sources tree for microcellular environment. This model is based on ray-tracing and UTD.
提出了一种有效的微蜂窝电波传播预测模型，该模型基于射线跟踪法和UTD理论，并使用辐射源树的方法。
Especially with the latest techniques in rendering, texture mapping, ray tracing and radiosity, you can make an object look just like it's made of marble or rubber or whatever you wish.
尤其是运用最新的渲染、纹理贴图、光线追踪和光能传递技术，你可以使一个物体真像是大理石或者橡胶或者凡是你所想到的物体所制成的。
This ray tracing, as Dr Ng calls it, derives directly from computer graphics.
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。
Does the ray tracing algorithm involves rasterization of image?
这光线跟踪算法涉及的光栅图像？
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。
The raypath can be calculated using ray tracing.
可以利用射线追踪计算射线路径。
The discrete triangle grid may describe the complex geologic structure, but its ray tracing efficiency is quite low due to its including of many triangles.
离散的三角网格可以描述复杂的地质构造，但是由于包含大量三角形，使得射线追踪效率比较低。
What the researchers have done is developed faster software for performing real-time ray tracing, which is also aided by today's faster processors, Slusallek said.
而这次研究者们准备采取第二种方法 ，开发可进行实时光线追踪计算的软件，Slusallek并表示目前处理器性能的飞速提升为这种技术的实用化打下了良好的基础。
By using the ray tracing method, the scattering from all cells of scatters under a certain radar resolution is mapped into the image pixels.
用射线跟踪法，按射程计算将散射投影在平面图像对应单元的像素点上，得到自然地表的雷达图像模拟。
On this condition, the paper put forward a new electric wave transmition model in the microcell , which based on ray tracing method of Virtual Fountain Tree.
在总结前人工作的基础上，本文提出了一种新的基于“虚拟源树”射线跟踪技术的微蜂窝小区的电波传播模型。
Ray tracing algorithm is the main algorithm of creating the real graphic.
光线跟踪算法是生成真实感图形的主要算法之一。
Ray tracing is a classic method in synthesizing photorealistic image, It can accurately simulate the lighting effect of the whole scene.
而光线追踪是传统真实感图象合成的经典方法，能够精确模拟出景物的光照效果。
At last, the ray tracing modeling is applied to the actual PHS indoor distribution system project.
最后，射线跟踪模型被应用于实际的PHS室内覆盖系统工程中。
Studying the inverse algorithms in detail, giving a new method about the fast inverse ray tracing.
对反向射线跟踪方法进行了细致研究，给出了进行快速反向射线跟踪的方法。
This paper provides an effective ray tracing method for prediction of microcell radio propagation.
本文提出一种能有效预测微小区环境中电波传播路径的射线跟踪算法。
In this paper, we introduce a kind of surface rendering method based on ray tracing algorithm.
该文介绍了一种在光线追踪算法基础上实现的物体表面重建方法。
The speed and precision of ray tracing affect the quality of statics and migration for seismic data.
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 problem of the seismic wave travel path in the nonhomogeneous medium is often mentioned in seismic sequence analysis by means of rapid ray tracing.
在地震层析研究中，常常涉及地震波在非均匀介质中的传播路径问题，故快速射线追踪是不可缺少的工具。
The problem of the seismic wave travel path in the nonhomogeneous medium is often mentioned in seismic sequence analysis by means of rapid ray tracing.
在地震层析研究中，常常涉及地震波在非均匀介质中的传播路径问题，故快速射线追踪是不可缺少的工具。
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