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- spaceborne optical antenna 空载光学天线
- Corresponding optical antenna and spectroscope are designed. 设计了和上述推证相关的光学天线和分光镜等。
- The acceptance angles and optical gains of optical antenna,such as telescope system, optic taper, reflect taper were measured. 通过对望远系统、光纤光锥、反射光锥等光学天线的接收角及光学增益进行的大量实验。
- Laser rangefinder consists of laser emission source, receiving system and optical antenna. 半导体激光测距仪主要由激光发射光源、接收系统和光学天线组成。
- An FSO communication system is presented in this paper firstly, including optical antenna, transceiver module, and pointing, acquisition and tracking (PAT) subsystem. 本文首先构建了一个FSO系统总体方案,包括光学天线、收发电路和对准、捕获与跟踪(PAT)子系统。
- This dissertation chooses received directly system, at the same time makes the simple introduction to the heterodyne receiver, and then carries on the preliminary analysis on optical antenna. 本文选用的是直接检测接收机的实现方案,同时对外差接收机也做了简单介绍,并对光学天线的类型和各自的结构特点进行了初步的分析。
- This paper provides some processing techniques for the radius conservation of light spot called light spot preservation(LSP) technique using in the optical antenna system of multi-ring detection. 本文从多环检测接收平面对光斑直径的稳定性要求出发,讨论激光天线系统的光斑稳定技术,称为光斑保持技术。
- The results show that the field of view (FOV) of hemispherical lens and CPC are wider and its gain is higher compared with other optical antennas. 分析表明:半球透镜和CPC视场较大,增益值高。
- Some conventional optical antennas like hemispherical lens, compound parabolic concentrator (CPC), Cassegrain telescope were analyzed with the software of ZEMAX. 针对非视线大气光通信的需求,利用ZEMAX软件对半球透镜、复合抛物面聚光器(CPC)和卡塞格伦望远镜等光学天线进行了性能分析。
- Optical Antenna System in Free Space Optical Communication System 自由空间光通信系统中的光学天线系统
- LI hui,LI Ying-cai.An optimum design method for the light hade of spaceborne optical system[J].Acta Photonica Sinica,1996,25(10):914-918. (in Chinese with an English abstract 李晖;李英才.;星载光学系统遮光罩消杂光结构优化设计方法[J]
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- Research on optical antenna of pulse laser wavelength measurement system 脉冲激光波长测试系统光学天线研究
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- DESIGN OF OPTICAL ANTENNA FOR 10.6 MICRON CO_2 LASER COMMUNICATION SYSTEMS 6微米CO_2激光通信机光学天线设计
- External calibration is key method used for spaceborne SAR antenna onboard measurement. 天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- A system of optical components that magnifies. 能起放大作用的一组光学元件
- The spaceborne VLF/ELF loop antenna for the communications to submarines is a loop wire in the F-layer of the ionosphere at a height of 350 km. 用于对潜通讯的星载的ELF/VLF发射环天线处于350km高度的电离层F2层。