光学天线

10.6微米CO2激光通信机光学天线设计

Design of optical antenna for 10.6 micron co_2 laser communication systems

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。

An FSO communication system is presented in this paper firstly , including optical antenna , transceiver module , and pointing , acquisition and tracking ( PAT ) subsystem .

国外有关10.6微米CO2激光通信实验系统均采用非球面光学天线，如文献[1、2]等。

The cassegrainian telescope system with spherical mirrors used as transmitting and receiving antenna for CO_2 lasercom are reported in this paper .

光学天线是FSO系统的重要组成部分，本文设计了收发分离的折射式光学天线，并用光学设计软件ZEMAX进行模拟和评价。

Optical antenna is one of the important parts of FSO . A bi-static dioptric optical antenna is designed and evaluated with optical design software ZEMAX .

多波长星间激光通信中光学天线的效率分析

Efficiency Analyse of Optical Antenna in Multi-wavelength Inter-satellites Laser Communication

共轴双反射光学天线系统的优化设计

The optimum design of coaxial bi-reflective optical antenna systems

自由空间光通信系统中的光学天线系统

Optical Antenna System in Free Space Optical Communication System

光学天线是传统偶极天线在光频段的类似物，它可以在光频波段对传播光与局域场进行有效的相互转换。

Optical antenna is the analogue of traditional dipole antenna at optical frequencies .

该系统由激光器收发子系统、光学天线子系统以及媒体传输子系统组成，其中为了避免大气湍流，光学天线采用了双路发射、双路接收的形式。

Double transmitting and double receiving optical antenna is adopted to overcome atmospheric turbulence .

宽带数字光波通信系统光学天线的设计及计算

Design and Computation of the Optical Antenna of a Wide-band Digital Lightwave Communication System

光学天线光中比对外差效率的影响

Obstruction ratio of optical antenna and its effect on heterodyne efficiency of laser coherent detection

卫星光通信关键技术与演示系统光学天线

Key Techniques for Inter-satellite Optical Communication and Preliminary Design of Optical Antenna of Demonstrator System

参与了课题有关卡塞格伦光学天线的设计和测试工作。

Participate in the design and test of the cassegrain antennas used in one subject .

空地激光通信星载光学天线在太阳阴影区的镜面热变形有限元分析

Finite Element Analysis of Mirror Thermal Distortion within the Sun Shadow in Space-to-Ground Laser Communication Links

给出了多光束发射和接收系统中光学天线的参数设计方法。

The parameters design method of the optical antenna in the multiple-beam transmission and absorption system is given .

当光学天线阵列激光告警器有两个或两个以上的光学窗口接收到激光辐射时，可以利用光学窗口之间的信号进行加权运算提高系统精度。

Laser beam received by more than two optical antennas can be weighted to get more precise azimuth angle .

本文主要分析采用光纤前端的光学天线阵列激光告警器结构原理，以及其方位识别方法。

This thesis mainly introduces optical antenna arrays and coding method of laser warning system using optical fiber front end technology .

在光学天线频率编码分析中，本文提出了利用多光纤环级联代替单光纤环作反馈单元实现频率编码的思想。

On the pulse frequency encoding of the antennas , the thesis provided the feedback units using multi closed loop delay circuit .

针对光学天线镜面热变形对空地激光通信链路性能产生影响的问题进行了理论和仿真分析。

In this paper , influence of mirror thermal distortion to space - | to - | ground laser communication links is analyzed .

建立了光学天线扫描捕获的理论模型，在此基础上对影响系统捕获性能的各主要参量之间的关系进行了数值仿真分析。

A theoretical model for optics acquisition was presented in this paper , and some parameters that influence the system of acquisition were analyzed .

同样的，光学天线也能够实现传播场和局域场的有效转换。因此光学天线被广泛地应用于近场探测和近场增强。

Optical antennas can efficiently convert the propagating light to the localized field and have been commonly used in the near-field signal detection and near-field enhancement .

在轨运行热环境条件下，星载激光通信端机光学天线镜面热变形将对空地激光通信链路性能产生严重影响。

With the terminal on satellite in the orbital motion thermal condition , optical antenna mirror surface thermal distortion will badly affect the performance of laser communications links .

傅里叶变换激光告警装置光学天线设计中，需要研究多模光纤出射光的空间相干性问题。

In the design of optical antenna of Fourier transform laser warning receiver , the research on spatial coherence of laser from the multimode fiber optical antenna is important .

探讨了采用棱镜与光纤组合的方式构成分布式光学天线阵子天线的理论，分析了性能指标为光纤分布式串行天线阵的实验打下了基础。

Fiber distributed serial array sub antenna principle constructed by combine prism with fiber is investigated . Analysis on characteristic index ground for experiment of fiber distributed serial antenna array .

如何在各种恶劣的战场环境下，简便有效地保护激光告警设备的光学天线是激光告警设备实际使用中需要解决的一个重要问题。

How to protect the optical antenna simply and effectively is an important problem that should be resolved for the laser warning equipment to be used in adverse field conditions .

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 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 .

在光学天线透镜组的设计过程中，本文先对透镜玻璃参数、折射规律、透镜反射损耗等基本问题做了研究分析。

In the process of designing optical lenses , firstly , this article has researched some basic issues such as parameters of glass , refraction rules and reflection loss of optical lens .

同时分析了均匀能量环境下半球光学天线圆截面上接收到光功率的分布，并提出了设计半球形光学天线基本参量的原则；

The optical intensity distribution on circle section of hemispherical concentrator in uniform diffusing illuminance has been computed and analyzed , and the principle of basic parameters selecting right hemispherical concentrator is proposed .

分析了系统的成像质量、光束发散损耗。通过对光学天线系统偏轴的建模，得出了功率衰减曲线。

The image quality and beam spread loss have been analyzed , meanwhile , the power decline curve has been obtained by means of the detailed analysis of antenna system in partial axis situation .

介绍了多波长星间激光通信系统中的光学天线，从电磁波辐射的角度，分析了光学天线的增益与指向角度及波长的关系。

Optical antenna of multi-wavelength inter-satellites laser communication system is introduced in this paper , and the relation of optical antenna gain and point angle and wavelength is also analyzed using electromagnetic wave theory .