Angular micro-vibration of the Micius satellite measured by an optical sensor and the method for its suppression

被引：17
作者：
Wang, Xu [1 ,2 ]
Li, Changkun [1 ]
Jia, Jianjun [1 ,2 ]
Wu, Jincai [1 ]
Shu, Rong [1 ,2 ]
Zhang, Liang [1 ,2 ]
Wang, Jianyu [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Space Act Optoelect Technol, Shanghai 200083, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Shanghai Quantum Sci Res Ctr, Shanghai 201315, Peoples R China
来源：
APPLIED OPTICS | 2021年 / 60卷 / 07期
基金：
中国国家自然科学基金;
关键词：
TRACKING; DESIGN;
D O I：
10.1364/AO.416811
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Satellite angular micro-vibration has an important impact on the efficiency of space quantum communication links. We measured the micro-vibrations on the Micius satellite in orbit using a high-precision optical sensor mounted on the satellite and analyzed the power spectral density. We designed a compound axis acquisition, tracking, and pointing (ATP) system based on a two-axis turntable and tested its suppressive effect on the micro-vibration through in-orbit experiments. The tracking error caused by the angular micro-vibration was found to be 9.3 mu rad, with the energy concentrated primarily in the frequencies below 30 Hz; after suppression by the ATP system, the error was 0.47 mu rad. (C) 2021 Optical Society of America
引用
收藏
页码：1881 / 1887
页数：7
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