深空探测光通信技术途经分析与展望  

Technical Approach Analysis and Prospect of Optical Communication Technology for Deep Space Explorations

作　　者：白帆 李炯卉 徐宝碧[1] 韩宇[1] BAI Fan;LI Jionghui;XU Baobi;HAN Yu(Beijing Institute of Spacecraft System Engineering,Beijing 100094,China)

机构地区：[1]北京空间飞行器总体设计部,北京100094

出　　处：《航天器工程》2022年第2期139-145,共7页Spacecraft Engineering

摘　　要：针对深空探测任务对高速数据传输能力的需求,文章在调研国内外深空测控通信系统现有支持能力与空间激光通信技术最新发展成果的基础上,对我国深空探测任务对空间光通信技术高效化、网络化的发展需求进行了梳理;对深空光信号捕获瞄准跟踪技术、高光子效率信号调制与编码技术、地面高效信号接收技术和深空光通信中继与组网技术的实现途径进行了分析。结合我国未来深空探测任务规划与实际需求,借鉴国外相关领域的技术发展路线,提出了适用于我国国情的深空探测光通信发展设想,旨在构建高效、高速的中国深空测控通信网。In view of the demand for high-speed data transmission capability of deep space exploration missions,this paper summarizes the requirements for high-efficiency and networked development of space optical communication technology serving for Chinese deep-space explorations,based on the investigation of the current capability of deep space TT&C telecommunication systems and the latest development achievements of space laser communication technology.The implementation of deep space APT technology,high photon efficiency signal modulation and coding technology,ground-based signal receiving technology and deep space communication relay and networking technology are analyzed.Finally,referring to the international technical development routes in the related fields,and taking China’s deep-space exploration mission planning and future practical requirements into consideration,the deep space optical communication roadmap for China is proposed,towards an efficient and high-speed deep space TT&C communication network.

关 键 词：深空探测 空间光通信 捕获瞄准跟踪 高光子效率 

分 类 号：V443.1[航空宇航科学与技术—飞行器设计]