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

页码：1881 / 1887

页数：7

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