星载小型化激光通信终端技术研究现状及发展方向综述  

Spaceborne Miniaturized Laser Communication Terminal’s Current Situation and Development Trend

作　　者：夏方园[1] 陈祥 陈安和 刘佳妮 冯向兵 郑少林 刘宗伟 XIA Fangyuan;CHEN Xiang;CHEN Anhe;LIU Jiani;FENG Xiangbing;ZHENG Shaolin;LIU Zongwei(China Academy of Space Technology(Xi'an),Xi'an 710000,China)

机构地区：[1]中国空间技术研究院西安分院,西安710000

出　　处：《空间电子技术》2020年第3期73-80,共8页Space Electronic Technology

摘　　要：针对微小卫星星间数传发展对载荷传输速率要求更快,平台体积重量和功耗约束更高的趋势,小型化激光通信终端是最优解决方案。文章介绍了激光通信系统常见组成、波长体制和终端构型,深入分析了美国、欧洲和日本等国外典型星载小型化激光通信终端技术发展现状,并介绍了星载小型化激光通信终端的应用前景。最后得出星载小型化激光通信技术的未来研究方向:一方面是激光终端的小型化、一体化和模块化的设计与实现,一方面是初始指向技术的研究。未来急需发展网络拓扑简单可靠,业务类型多样,传输手段灵活的激光集成通信网络,星载激光通信终端技术需具备组件可集成、功能可重构的功能。The miniaturized laser communication terminal is the optimal solution for the development of microsatellite inter-satellite data transmission with faster load transmission rate,higher platform volume and power consumption constraints.This paper introduces the common composition,wavelength system and terminal configuration for laser communication system,and deeply analyzes the development status of typical miniaturized laser communication terminal technology in the United States,Europe and Japan,and introduces the application prospects of miniaturized laser communication terminal.Finally,the future research direction of space-borne miniaturized laser communication technology is drawn:on the one hand,the miniaturization,integration and modular design and implementation of laser terminals,on the one hand,the research of initial pointing technology.In the future,it is urgent to develop a laser integrated communication network with simple and reliable network topology,various service types and flexible transmission means.Satellite-borne laser communication terminal technology should have the functions of component integration and functional reconfiguration.

关 键 词：自由空间激光通信 微纳卫星 发展现状 综述 

分 类 号：V474[航空宇航科学与技术—飞行器设计]