Analysis of the stability of bidirectional beam tracking in inter-satellite optical communication

被引：0
|
作者：
Wu, Feng [1 ]
Yu, Siyuan [2 ]
Zhou, Jie [2 ]
Ma, Jing [2 ]
Tan, Liying [2 ]
机构：
[1] Department of Physics, College of Science, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
[2] National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China
来源：
Zhongguo Jiguang/Chinese Journal of Lasers | 2013年 / 40卷 / 11期
关键词：
Bi-directional links - Constraint conditions - Convergence process - Error angles - Intersatellite optical communication - Optical terminal - Signal-noise ratio - Theoretical formula;
D O I：
10.3788/CJL201340.1105003
中图分类号：
学科分类号：
摘要：
The main factors affecting the stability of the process of bidirectional beam tracking in inter-satellite optical communication are investigated. The iteration convergence process of the bidirectional beam tracking is analyzed by building the model of aiming error angle which images in the array detector in the receiving terminal, with considering the influence of signal noise ratio. Steady tracking constraint conditions theoretical formula which is closer to the actual situation is deduced. The theoretical result is verified and modified by simulation and the simulation experiments on the ground with optical terminal. The above work has important significance to modify a satellite communication system.
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