Control of ghost and scatter light in retinal camera;
眼底照相机光学系统中杂光和鬼像的控制
It was calculated and analysed that the ghost was produced from image transmission in SHENGUANG Ⅱ high power laser system.
对神光Ⅱ高功率像传递激光传输系统中可能产生的鬼像进行了计算与分析 ,对系统中可能被鬼像损伤位置上的光学件作了重整安排。
In this paper, the stray light and ghost image caused by multi-reflection in high power infrared optical systems are analyzed and discussed, and the comprehensive method incorporating paraxial approximation and real ray trace is presented; the data structure of binary tree is used in the storage of interdata so that the storage problem of huge-size data is resolved.
本文主要研究了大功率红外光学系统中光学表面多重反射而形成的杂散光及其数学模型与计算方法,提出了将近轴近似法和有限光线追迹法相结合的综合分析方法;同时在数据存储方式上采用二叉树这种数据结构,巧妙地解决了鬼像分析中海量的中间数据存储的问题。
Simulation of ghost images in zoom system by ASAP
ASAP模拟变焦系统中鬼像的研究
We analyzed the stray light source of system and drew a conclusion that non-image beam has great effect on system qualities and system ghost images caused by parallel windows should not be ignored.
分析了系统杂散光的来源,得出非成像光束对系统影响较大、平板玻璃窗产生的鬼像不容忽视的结论。
Applying matrix optics to paraxial rays, which travel through different optical elements illuminated with high-power Gaussian beams, the positions of ghost images affected by Kerr-effect-induced nonlinear refractive index of the illuminated optics are studied.
在近轴条件下,利用矩阵光学的方法研究了高功率高斯光束通过不同光学元件时,克尔效应导致的介质折射率的变化对鬼像位置的影响。
Based on the basic principle of geometrical optics,the transmission of beam is analyzed,a ray tracing method of ghost analysis is mentioned,the mathematical and physical model for analysis of stray light and ghost images has been set up,the analysis software has been presented.
光学系统的杂散光极易在系统内形成多个鬼像 ,这不仅严重影响光束质量和传输特性 ,并可能对系统光学元件造成永久性损伤。
Stray light generated in multi-pass amplification forms a lot of ghost images,which not only seriously influence the Laser beam quality and propagation prope.
多程放大激光装置系统内产生的多个鬼像将严重影响光束质量和传输特性,并可能对系统中关键元件造成损伤。
It is very difficult to obtain the accurate borderline of object When distilling the borderline of object with less gray level from its intensity image with disturbance.
用强度图像提取景物边界的主要缺点是当景物间灰度差较小以及噪声存在时,很难得到精确的边界。
The distance images and intensity images can be given by the software.
仿真系统参数的输入尽可能考虑了实际系统的各种参数要求,实现了强度图像和距离图像的仿真、存储。
A preliminary result about the intensity of the Rowland Ghost line for the second order spectrum is obtained. The intensity of the Ghost line is 0.049% of the main line.
给出了2 级光谱罗兰鬼线强度的初步测量结果, 为母线强度的0 .049 % 。
radio-field strength
无线电场强(度), 射电场强(度)
cosmic-ray intensity recorder
宇宙射线强度记录仪
isoceraunic line
等雷雨次数和强度线
horizontal isomagnetic chart
水平强度等磁力线图
horizontal intensity isoporic charts
水平强度等磁变线图
X-ray quantometer
X射线幅射强度测量计
time variation of cosmic ray intensity
宇宙线强度的时间变化
Influence of Light Intensity and Wetland Substrate on Sewage Purification and Growth of Hymenocallis Littoralis;
光照强度和湿地基质对水鬼蕉的生长和污水净化能力的影响
Cable Guy, The
线鬼衰人/有线电视狂
When a surface is perpendicular to the rays, their intensity is at their maximum.
当表面与射线垂直时,射线的强度最大。
4 The half angle of divergence ah should not exceed 9°, the tenth angle of divergence az should not exceed 14°.
光线强度的半衰减角应不超过9°,光线强度1/10衰减解应不超过14°。
Used to test yarn count and its strength.
用于纺织行业的纱线长度、密度(数)缕纱强度试验。
Selection and Control of Tensile Strength of Aluminium Wires in ACSR
钢芯铝绞线铝单线抗拉强度的选择及控制
Calculation of Surface Electric Field along ±800kV DC Transmission Lines with Bundled Conductors
±800kV直流输电线路分裂导线表面电场强度计算
ANALYSIS OF HIGH-STRENGTH HOT-ROLLING ROD AND WIRE LINE
宣龙公司高强度棒线材热轧生产线分析
polyvinyl formal high strength wire coating
聚乙烯醇缩甲醛高强度漆包线漆
V-belt--Cord adhesion test method
GB/T3688-1998V带线绳粘合强度试验方法