Highly precise ground certification system of satellite laser communication

Shao-hui LI; Xiao-mei CHEN

doi:10.3788/OPE.20172505.1149

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Highly precise ground certification system of satellite laser communication

Modern Applied Optics | 更新时间：2020-07-07

- Highly precise ground certification system of satellite laser communication
- Optics and Precision Engineering Vol. 25, Issue 5, Pages: 1149-1158(2017)
- 作者机构：
  
  1.北京理工大学光电学院光电成像技术与系统教育部重点实验室, 北京 100081
  2.中国空间技术研究院北京空间飞行器总体设计部, 北京 100094
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20172505.1149
  CLC： TN927.21
- Received：22 November 2016，
  
  Accepted：06 January 2017，
  
  Published：25 May 2017
- 稿件说明：
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Shao-hui LI, Xiao-mei CHEN. Highly precise ground certification system of satellite laser communication[J]. Optics and precision engineering, 2017, 25(5): 1149-1158.
DOI：

Shao-hui LI, Xiao-mei CHEN. Highly precise ground certification system of satellite laser communication[J]. Optics and precision engineering, 2017, 25(5): 1149-1158. DOI： 10.3788/OPE.20172505.1149.

摘要

为了在地面高精度评估激光通信终端对卫星平台扰动以及轨道姿态变化的适应能力，研究了卫星扰动模拟技术和卫星随动仿真模拟技术，据此提出了激光通信系统地面验证方案。首先开展了激光通信链路随动探测误差对系统随动性能影响分析、卫星扰振源特性分析及建模工作。其次，分析了卫星扰动模拟和随动模拟的关键技术及解决措施。最后，结合目前卫星激光通信及卫星平台技术水平，利用典型数据开展了扰动和随动仿真，完成了激光通信系统测试。实验结果证明：基于双反馈环路的高精度光束瞄准控制能够大幅提高卫星扰动模拟器光束瞄准的控制精度，光束控制精度优于0.1"；采用高低频联合卫星扰动模拟设计方法，实现了控制带宽优于1 kHz的高精度光束控制；高精度随动系统在全卫星运行区域内对卫星光通信终端随动性能的检测精度可达0.1"。

Abstract

To realize the high-accuracy evaluation of adaptive capacity of laser communication terminal to satellite platform disturbance and orbit attitude changes on the ground

the satellite disturbance simulation technique and satellite following analogue simulation technique were researched

from which the ground verification scheme for laser communication system was proposed. Firstly

the effect of laser communication link following detection error on system following performance

as well as the feature of satellite disturbance vibration source was analyzed. Then the model of the vibration source was constructed. The key technology on satellite disturbance simulation and following simulation and countermeasure were analyzed. Finally

combining with current satellite laser communication and satellite platform technology level

the disturbance and following simulation was developed and the laser communication system test was finished via typical data. Experimental result verifies that high-accuracy beam pointing control based on double feedback loop can improve the control accuracy of beam pointing of satellite disturbance simulator greatly

and the beam control accuracy is superior to 0.1″. With the high-frequency and low-frequency joint satellite disturbance simulation method

the high-accuracy beam control of which control bandwidth superior to 1 kHz is realized. Moreover

the detection accuracy of high-accuracy following system to following performance of satellite photo-communication terminal within satellite operating range reaches to 0.1″.

关键词

Keywords

references

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