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1·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。

2·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。

3·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。

4·A new ray-tracing method - total iterative ray-tracing method in random interface is studied.

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。

5·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。

6·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。

7·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。

8·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。

9·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。

10·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。

光线跟踪

1·The common methods about research on the distribution of radiation in canopy are introduced. The principle of ray-tracing technology and its application in radiation transmission are described.

简述了冠层辐射分布的常用研究方法，介绍了光线跟踪技术的原理及其在辐射传播中的应用。

射线跟踪

1·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。