The method comprises the following steps: after parallel rays project to a target surface area element, acquiring a path parameter of each ray from incidence to reflection;
所述方法包括：当平行射线投向目标面元后，获取每条射线从入 射到反射的路径参数；
Telecentric lens has parallel chief ray with its optical axis and is ideal for co-axial lighting.
远心镜头拥有与它的光轴平行的主光线，同轴照明是非常理想的。
Ray traces of the injecting electron-cyclotron wave into an equilibrium mirror plasma from different locations and with various angles are given by using a parallel plane-stratified-model.
本文利用平行平板模型，给出了在不同位置、以不同角度入射到平衡的磁镜等离子体中电子回旋波的传播轨迹；
The fractures in all the specimens were clearly visible when the X-ray beam was parallel to the plane of osteotomy.
而当X线光束与骨裂开的平面平行的时候，左右的骨折都可以被鉴别出来。
A parallel process method of ray tracing is proposed based on a BSP tree.
提出了一种基于BSP树的光线跟踪并行处理方法。
Results 6 cases of pelvic insufficiency fracture had abnormal X ray findings of fracture lines and linear scleroses oriented parallel to the adjacent joint or perpendicular to the main trabeculae.
结果6例X线平片有阳性征象，表现为与邻近关节平行或与主要骨小梁垂直的骨折线或线状硬化。
In large container inspection systems, the image is constructed by parallel scanning with a one-dimensional detector array with a linac used as the X-ray source.
大型集装箱检查系统中，采用一维线阵列探测器并行扫描方式，并以直线加速器为X射线源。
Monolithic capillary X-ray lens can collect divergent white X-ray beam emitted from a point X-ray source into a quasi parallel beam.
整体平行束X光透镜能把点X光源发出的发散X光束聚焦后转变成准平行X光束。
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。
The invention discloses an optical device for converging and diverging parallel X-ray, which is used for realizing the low-energy X-ray filtering and the parallel high-energy X-ray converging.
本发明公开了用于会聚平行X射线的光学器件，用于实现滤除低能X射 线，并且会聚平行高能X射线。
The invention discloses an optical device for converging and diverging parallel X-ray, which is used for realizing the low-energy X-ray filtering and the parallel high-energy X-ray converging.
本发明公开了用于会聚平行X射线的光学器件，用于实现滤除低能X射 线，并且会聚平行高能X射线。
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