应用光学, 2018, 39 (5): 762, 网络出版: 2018-10-06   

空间激光通信系统动态跟瞄参数测试方法研究

Dynamic tracking and pointing accuracy measurement method of space laser communication system
作者单位
1 西安应用光学研究所, 陕西 西安 710065
2 中国兵器工业标准化研究所, 北京, 100089
摘要
跟瞄精度是空间激光通信系统捕获、跟踪和瞄准(acquisition, tracking and pointing, ATP)分系统的重要指标参数之一, 其准确测量是评估空间激光通信系统远距离通信性能的关键。介绍了空间激光通信系统ATP分系统跟瞄精度的测试方法, 设计了一种基于平行光管法的空间激光通信系统动态瞄参数测量装置, 分析和讨论了影响动态跟瞄精度测量不确定度的因素。试验表明, 该测量装置在100 Hz振动频率条件下, ATP分系统稳定精度测量不确定度达到1.9 μrad(k=2), 可用于空间激光通信系统ATP分系统跟瞄参数检测以及远距离激光通信性能评估。
Abstract
Dynamic tracking and pointing accuracy is one of the important parameters of the acquisition, tracking and pointing (ATP) subsystem of space laser communication system, and its accurate measurement is the key to evaluate the performance of the space laser communication at long distance. The tracking and pointing precision measurement method of the ATP subsystem was introduces,and a dynamic aiming parameter measuring device for space laser communication system based on collimator method was designed. Moreover,the factors affecting the uncertainty of dynamic tracking accuracy measurement were analyzed and discussed. Test results show that the measurement accuracy of the ATP subsystem is 1.9 μrad (k=2) under the condition of 100 Hz vibration frequency, which can be used for the tracking parameter detection of space ATP subsystem of laser communication system and the long-range laser communication performance evaluation.

吴磊, 郝淑杰, 解宣梅, 黎高平, 俞兵, 于东钰, 阴万宏. 空间激光通信系统动态跟瞄参数测试方法研究[J]. 应用光学, 2018, 39(5): 762. Wu Lei, Hao Shujie, Xie Xuanmei, Li Gaoping, Yu Bing, Yu Dongyu, Yin Wanhong. Dynamic tracking and pointing accuracy measurement method of space laser communication system[J]. Journal of Applied Optics, 2018, 39(5): 762.

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