空间光通信技术发展现状及趋势  

Development Status and Trend of Space Optical Communication Technology

作　　者：鲁绍文 侯霞[1] 李国通 孙建锋[1] 俞杭华 陈卫标[1] LU Shaowen;HOU Xia;LI Guotong;SUN Jianfeng;YU Hanghua;CHEN Weibiao(Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China;Innovation Academy for Microsatellites of Chinese Academy of Sciences,Shanghai 201612,China)

机构地区：[1]中国科学院上海光学精密机械研究所,上海201800 [2]中国科学院微小卫星创新研究院,上海201612

出　　处：《天地一体化信息网络》2022年第2期39-46,共8页Space-Integrated-Ground Information Networks

摘　　要：利用激光链路实现卫星星座内不同卫星节点之间的信息传输能够解决传统卫星通信技术中传输速率慢、频段资源紧张等问题。首先介绍空间激光通信技术的主要组成部分以及国内外研究现状;其次,对终端的高性能跟踪、快速捕获和高通量通信技术的难点以及主要解决方案分别进行重点说明;最后,阐述空间激光通信小型化、轻量化以及低功耗技术路线的发展趋势,并对新型技术进行讨论,为我国空间激光通信技术的发展提供参考。Based on the laser inter-satellite communication link to realize information transmission between different satellite nodes in satellite constellation,it can solve the problems of slow data rate and limited frequency resources in traditional satellite communication technology.Firstly,the main components of space laser communication technology and the research status at home and abroad were introduced.Then,the technical difficulties and main solutions of high-performance tracking,fast acquisition and high-throughput communication of the terminal were described respectively.Finally,the development trend of space laser communication miniaturization,lightweight and low power consumption technology were described,and the new technology was discussed,which provided relevant reference for the development of space laser communication technology.

关 键 词：空间光通信 瞄准捕获跟踪 无信标光 小型化、低功耗及轻量化 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]