天基分布式孔径雷达应用于空间碎片感知的发展建议及关键技术  

Recommendations and Key Technologies for the Development of Sapce Debris Perception Using Space-Based Distributed Aperture Radar

作　　者：田家瑞 陆灏源 TIAN Jiarui;LU Haoyuan(Aerospace System Engineering Shanghai,Shanghai 201109,China)

机构地区：[1]上海宇航系统工程研究所,上海201109

出　　处：《空间科学与试验学报》2024年第4期100-105,共6页Journal of Space Science and Experiment

摘　　要：空间碎片关系到各国空间活动的安全与航天事业的发展。随着空间碎片数量逐年增多,我国空间威胁日益加剧。本文针对空间碎片小体积、大动态、难以远距探测等问题,提出将天基分布式孔径雷达应用于空间碎片感知领域,从高精度编队飞行、时空频同步、波束合成3个方面对实现天基分布式孔径雷达的关键技术进行总结,并提出建议与展望。Space debris poses a growing threat to the safety of space activities and the development of the aerospace industry in various countries,as its number increases annually.Addressing the challenges associated with space debris,such as its small size,high dynamics,and difficulty in long-distance detection.We proposed the application of distributed aperture radar in the field of space debris perception,and summarized the key technologies for realizing space-based distributed aperture radar from three aspects:high-precision formation flying,space-time-frequency synchronization,and beam forming.Additionally,recommendations and outlooks for future research were provided.

关 键 词：空间碎片 卫星编队 天基分布式孔径雷达 

分 类 号：TN959.74[电子电信—信号与信息处理]