光学学报, 2018, 38 (6): 0606005, 网络出版: 2018-07-09   

基于飞艇平台激光通信系统的捕获性能研究 下载: 782次

Acquisition Performance of Laser Communication System Based on Airship Platform
作者单位
1 长春理工大学光电工程学院, 吉林 长春 130022
2 长春理工大学空地激光通信国防重点学科实验室, 吉林 长春 130022
摘要
针对飞艇平台的运动特性,优化设计了飞艇-船激光通信系统的捕获方案;针对小束散角远距离通信系统捕获时间长的难题,提出了粗精复合扫描策略。重点分析了粗精复合扫描的工作原理和捕获过程中的影响因素,同时依据飞艇的运动速度和平台振动特性,设计了粗精复合扫描策略中重叠区域、捕获视场、扫描速度、运动补偿等重要参数;通过仿真分析,并结合外场飞艇对船舶实验进行了验证,在束散角为400 μrad的条件下,捕获时间达到62.7 s。
Abstract
In this paper, we design and optimize the ship-to-airship capture scheme of laser communication system according to the motion characteristics of an airship platform. A composite scanning strategy, consisting of coarse scanning and fine scanning, is proposed to solve the problem of the long capture time under conditions of small beam divergence angle and far distance. The working principle of the composite scanning strategy and the influencing factors in the capture process are analyzed emphatically, meanwhile, the important parameters in the coarse-fine composite scanning capture process, such as overlap area, capture field, scanning speed and motion compensation are optimized in detail. The simulation results show that the acquisition time reaches 62.7 s when the divergence angle is 400 μrad. Finally, we also validate the results by performing the outdoors airship experiment.

滕云杰, 宋延嵩, 佟首峰, 张敏. 基于飞艇平台激光通信系统的捕获性能研究[J]. 光学学报, 2018, 38(6): 0606005. Yunjie Teng, Yansong Song, Shoufeng Tong, Min Zhang. Acquisition Performance of Laser Communication System Based on Airship Platform[J]. Acta Optica Sinica, 2018, 38(6): 0606005.

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