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兵工学报  2015 

机载激光通信稳瞄吊舱设计与跟踪精度测试

DOI: 10.3969/j.issn.1000-1093.2015.10.013, PP. 1916-1923

Keywords: 仪器仪表技术,激光通信,机载稳瞄吊舱,跟踪精度测试,飞行试验

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Abstract:

?针对飞机姿态扰动和强烈震动条件下激光通信中的光轴稳定问题,研制了粗精复合跟踪机构,并对减振器安装结构形式进行了分析,完成了减振系统设计和伺服系统仿真。在此基础上开展了飞机姿态和振动特性测试,根据测试结果,绘制了振动试验曲线。进行室内仿真检测和外场飞行测试的试验结果表明,在大气信道条件下,粗跟踪吊舱跟踪精度优于23.97μrad,精跟踪精度优于7.03μrad.对比实验室和外场测试环境的差异,可知大气干扰引起的光斑闪烁是导致跟踪精度下降的主要原因,为系统指标分配和吊舱跟瞄精度的提高提供了参考。

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