激光通过大气随机信道光强分布的实时显示  

Real-Time Display for Laser via Atmosphere Random Channel Light Intensity Distribution

作　　者：王丽黎[1] 柯熙政[1] 席晓莉[1] 

机构地区：[1]西安理工大学自动化与信息工程学院,陕西西安710048

出　　处：《西安理工大学学报》2005年第2期196-199,共4页Journal of Xi'an University of Technology

基　　金：陕西省教育厅科技资助项目(04JK247)

摘　　要：分析了激光通过大气随机信道时光斑变化的影响因素,对接收光强进行了数值计算,用软件仿真模拟了光斑的实时变化。该系统可以方便、准确、形象地显示激光光斑的闪烁、漂移和分裂等现象,对于研究大气对无线光通信的影响,进一步优化激光通信系统的性能,实现全天候的大气激光通信具有参考价值。This paper analyzes the factors affecting light speckle variation in laser via atmosphere random channel,and also conducts the numerical calculations of recieved light intensity.Also,the software is used to simulute the real-time variations in the light speckles.Accordingly,this system can display such phenomena as scintillation,drift and splitting of laser speckles conviently,accurately and vividly,and it is of important reference significance for studying atmosphere effect upon wireless optic communication,further optimizing the performanles of laser communication system and realizing the weath-proof atmosphere laser communication.

关 键 词：无线光通信 大气随机信道 实时显示 光斑 

分 类 号：TN929.12[电子电信—通信与信息系统]