In this paper we have developed a program for three dimensional ray tracing of whistler-mode waves in which the IGRF model was adopted.
本文给出了采用IGRF模型的哨声模波三维射线跟踪方程，并概述了射线跟踪模型及数值计算程序。
Ray tracing is the most general and powerful technique now available to create three dimensional realistic images on two dimensional display devices.
光线追踪技术是目前在二维显示设备上产生三维真实图象的最通用、最有力的技术。
Firstly, the system of parallel grating pair, in which the grating grooves is unparallel while the grating surfaces is parallel, has been studied with the tri-dimensional ray-tracing method.
首先，在三维空间内利用光线追迹法，对刻线不平行而光栅面平行时的压缩光栅对进行研究。
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