The performances of quasi-optics for millimeter-wave imaging system decide the capability of the system, so it is the emphasis of the research of millimeter wave imaging system.
本文主要从系统设计的角度研究了毫米波成像中的准光学技术,将其分为系统参数设计、多波束聚焦元件设计及天线排布和扫描方式三部分。
Methods of quasi-optics design were researched to improve the spatial resolution of the millimeter-wave imaging system.
讨论了聚焦元件的截断效应,研究了天线增益与束腰半径关系并利用高斯波束法设计了毫米波成像准光学系统,在系统参数确定的前提下对聚焦元件进行一体化设计。
2THz continuous-wave imaging method based on solid-state electronics and quasi-optics is studied.
本文简要地综合了THz信号的产生与检测方法以及THz成像技术的发展概况,基于固态电子学和准光学技术研究了一种0。
A new kind of diffractive optical element is presented,computer simulation and theoretical analysis for its diffractive characteristics are given,zero irradiance alongoptical axis can be implemented by this element and it can be applied to optical alignment.
这种元件能实现光轴上任意点光强为零，可应用于高精度光学准直。
In laser space communication systems, the optical collimation of semiconductor laser is important In this paper, general ways of the collimation is described, and the semiconductor laser of 35mW is collimated using one len The results are given The efficiency of the collimation is about 60% and the angle of pergence is about 0 4～0 75mra
对半导体激光器进行光学准直是空间光通信系统必须进行的重要工作。
The printed images of these marks are aligned by an optical alignment system and the alignment positions of the images are recorded.
该技术将具有精细结构的测量标记曝光在硅片上,硅片显影后,由光学对准系统获取曝光在硅片上的测量标记图形的对准位置信息,根据对准位置信息计算得到视场中各点的焦深。
Analysis and Design of Quasi-optical Grid Arrays Using EMF Method
准光学栅格振荡器阵列的分析与设计
optical and electrical registratio
光学和电学特性配准
transmitter collimating optics
发射器准直光学装置
synchronous optical bombsight
同步光学轰炸瞄准具
optical eye level finder
光学直视水平瞄准器
field optical collimator system
场致光学准直仪系统
adjust the line of sight of (an optical instrument).
调整（光学仪器的）瞄准线。
To adjust the line of sight of(an optical device).
校准调整光学仪器瞄准器
This optical instrument factory is well-known for accurate optometry, fine grinding and good quality.
该光学仪器厂，验光准、磨制精、质量优。
Design on Collimation and Modulation System of Optics Modules of Laser Device
激光装置光学模块准直调整系统设计
Generation of Red and Blue Laser from Green Pump Laser in Quasi-Periodic Optical Superlattice
绿光抽运准周期光学超晶格产生红光与蓝光的研究
This optical instrument factory makes lens with accurate optometry and fine grinding.
该光学仪器厂的镜片制作，验光准、磨制精。
Research on Key Mathematical Models in Excimer Laser Vision Correction;
准分子激光视觉光学矫正关键建模技术研究
The Optical Characteristics of Right Angle Prisms as Auto-collimating Mirror
直角棱镜用作自准直反光镜的光学特性
Fast method and optical device for lidar system alignment
激光雷达系统快速准直的方法和光学装置
USASCSOCR (USA Standard Character Set for Optical Character Recognition)
美国光学字符识别标准字符集
Optical transfer function--accuracy of measurement
GB/T13742-1992光学传递函数测量准确度
Research on the Optical System of Avionic HMS/HMD;
机载头盔瞄准/显示器光学系统的研究