您要查找的是不是:
- 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
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- 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
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- 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
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- 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
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- The optical system of the eye stimulate cell of the retina. 眼睛的视觉系统刺激视网膜内的细胞。
- Design and Computation of the Optical Antenna of a Wide-band Digital Lightwave Communication System 宽带数字光波通信系统光学天线的设计及计算
- I thought I saw a ghost but it was just an optical illusion. 我以为我看见鬼了,其实只是一种幻觉。