Cut a regular hexahedron into innumerable parallel fracture planes, in each of which there is a light cone.
把正方体切成无数平行断面,每个断面均有一个光锥,在无数个光锥内观察断面截面与投影截面及断面和断面投影的变化,可得出以下结论:(1)X线影像变形是光锥作用的结果;(2)无论物体投影面是否成角,光锥中心线直射或斜射作用不变;(3)各断面截面的椭圆离心率反映物体空间歪斜程度,是真正的变形因素;(4)投影截面椭圆离心率分别大于、等于或小于断面截面椭圆离心率,则断面正中纵径投影/实长分别大于、等于或小于通过该投影中点的横径投影/实长;(5)若物体投影面成角,将会产生断面投影不均等放大现象;(6)变形程度与物体厚度成正比,且变形的程度与点光源至物体的距离成逆向变化,而与物体投影面距离无关;(7)教材中的论述是错误的。
We emphasize particularly the importance of light cone Hamiltonian and Fock state methods as a tool for describing the wavefruncitons of composite relativistic many body systems and their interactions.
强调光锥Hamilton量和描述复合相对论多体系统 ,及它们的相互作用波函数方法的重要性 。
And the result is reached that the laser beam traveling in silver colloid of lower ratio exhibits a light cone, and the intensity of transmission light is reduced relatively.
在配比较小的银胶体系中 ,激光束呈现清晰的光锥 ,透射光强度明显减弱 。
Research on portable digital X-ray optical fiber taper coupling to CCD imaging system*;
便携式数字X射线光锥耦合CCD成像系统研究
A laser screen system for projectile velocity measurement,including Scotchlite retroreflector and fiber optical taper is put forward.
提出了以微珠玻璃原向反射屏和光纤光锥构建大面积激光测速靶的新方案,对微珠玻璃原向反射屏的反射率和原向反射光斑的光强分布进行了测试分析,并以此作为光学系统设计的依据。
A New Approach for Fabricating Imaging Fiber,Optic Fiber Plates and Taper
传像光纤、光纤面板及光锥制造新方法探索
fibre optic conical condenser
纤维光学锥形聚光器
A beam of radiant energy in the form of a narrow cone or cylinder.
光线锥窄圆锥体或圆柱形的辐射性光束
Optical Field Evolution and Transmission Characteristics of Ultra-short Pulse in the Tapered Region of a Single-mode Tapered Fiber
单模锥形光纤锥区光场及超短脉冲的传输特性
Spotlight: A light source that emits a cone of light.
聚光灯：它射出的光形成一个锥形。
Study on Controlling Direction of Laser Beam Based on Crystal Conical Effect;
晶体锥光效应控制激光束方向的研究
The paper derived a light equation for cone-lens.
本文推导了一个锥透镜的光线方程。
linearly tapered two dissimilar-core fiber
线性锥形纤芯不同的双芯光纤
Prism Adjustment Analysis of Optical Scanning System with Pyramid Mirror
锥镜光学扫描系统中的棱镜调整分析
The Smoothing Function Method for a Class of Inverse Second Order Cone Programming Problems;
一类二阶锥规划反问题的光滑函数法
Research on Conical Laser and Its Characteristics Traveling in Atmosphere;
空心锥面激光及其大气传输特性研究
Near Diffraction Limited High Power Tapered Semiconductor Lasers;
近衍射极限高功率锥形半导体激光器
Numerical Simulation of Light Intensity Enhancement at Pyramidal Probe Tip;
四面锥探针尖光增强的数值模拟研究
Interior Point Algorithms and a Smoothing Newton Method for the Second-order Cone Programming;
二次锥规划的内点算法及光滑牛顿法
Experimental Investigation of the Optic Power Transmission Characteristics in Tapered POFs;
实验探究锥形POF的光功率的传输特性
The Beam Propagation and Transformation in Axicon-Lens System
轴棱锥——透镜系统的光束传输与变换
Unstable Bessel Optical Resonator with an Axicon
带圆锥透镜的非稳贝塞尔光学谐振腔
Test bench design for light transmittance of conical surfaced windshield glass
圆锥曲面风挡玻璃透光率检测台设计