太空活动时空基准的发展现状与启示

肖伟刚<sup>1*</sup>; 齐朝祥<sup>2</sup>

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投稿时间：2022-06-09

中文摘要: 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。

中文关键词: 太空活动时空基准星表历表地球定向参数

Abstract: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.

keywords: space activities space-time reference catalogue ephemeris earth orientation parameters

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基金项目:

作者	单位
肖伟刚^1*	中国科学院重大科技任务局北京 100864
齐朝祥²	中国科学院上海天文台上海 200030

Author Name	Affiliation
XIAO Weigang^1*	Bureau of Major R&D Programs, Chinese Academy of Sciences, Beijing 100864, China
QI Zhaoxiang²	Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China

引用文本：
肖伟刚,齐朝祥.太空活动时空基准的发展现状与启示[J].中国科学院院刊,2022,37(11):1642-1649.
XIAO Weigang,QI Zhaoxiang.Development Status and Enlightenment of Space-time Reference for Space Activities[J].Bulletin of Chinese Academy of Sciences,2022,37(11):1642-1649.