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요약정보
库德式激光通信终端粗跟踪技术 / Coarse Tracking Technology of Coude-type Laser Communication Terminal
Resource Type
Academic Journal
Authors
白杨杨
;
陈力兵
;
孟立新
;
张乐仪
;
张立中
;
BAI Yangyang
;
CHEN Libing
;
MENG Lixin
;
ZHANG Leyi
;
ZHANG Lizhong
Source
兵工学报 / Acta Armamentarii
. 42(9):1931-1939
Subject
激光通信终端;库德光路;电荷耦合器;测角模型;瞄准、捕获和跟踪
Language
Chinese
ISSN
1000-1093
Online Access
Scopus
Find it @ DONGA
초록
在库德式通信终端中,望远单元和库德反射镜与电荷耦合器(CCD)探测器之间的相对运动导致光路结构随通信终端姿态变化而改变,使得控制难度增大.为解决这一问题,利用矩阵光学方法建立库德式激光通信终端的CCD测角模型,设计基于模型-PID的控制算法,搭建实验测试系统验证了该算法在瞄准、捕获和跟踪过程中的性能.结果表明:利用实测数据对测角模型进行静态验证时,计算精度的均方根误差优于9μrad;加入角速度0.1°/s、幅值0.1°的正弦扰动信号进行跟踪测试时,实测动态跟踪误差的标准差优于21μrad(1σ),满足激光通信对于粗跟踪单元50μrad(1σ)跟踪精度的需求.
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