太空活动时空基准的发展现状与启示  

Development Status and Enlightenment of Space-time Reference for Space Activities

作　　者：肖伟刚[1] 齐朝祥[2] XIAO Weigang;QI Zhaoxiang(Bureau of Major R&D Programs,Chinese Academy of Sciences,Beijing 100864,China;Shanghai Astronomical Observatory,Chinese Academy of Sciences,Shanghai 200030,China)

机构地区：[1]中国科学院重大科技任务局,北京100864 [2]中国科学院上海天文台,上海200030

出　　处：《中国科学院院刊》2022年第11期1642-1649,共8页Bulletin of Chinese Academy of Sciences

摘　　要：文章全面介绍了太空活动所需时空基准的基本内涵和相互关联,概述了国内外在时间系统、天球参考架、行星历表、脉冲星计时等时空基准方面的发展现状,分析了我国与国外在发展太空活动相关时空基准方面的差距和原因,在此基础上提出了发展思路和建议。In this paper,the connotation of space-time reference and its relationship with space activities are described comprehensively.Time system,celestial reference frame,planetary ephemeris and pulsar timing are outlined.The gap between China and abroad development on space-time reference and its causes are analyzed.At the end,some suggestions for future development in China are proposed.

关 键 词：太空活动 时空基准 星表 历表 地球定向参数 

分 类 号：V52[航空宇航科学与技术—人机与环境工程]