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二次成像型库德式激光通信终端粗跟踪技术

张家齐 张立中 董科研 王超 李小明

张家齐, 张立中, 董科研, 王超, 李小明. 二次成像型库德式激光通信终端粗跟踪技术[J]. 中国光学, 2018, 11(4): 644-653. doi: 10.3788/CO.20181104.0644
引用本文: 张家齐, 张立中, 董科研, 王超, 李小明. 二次成像型库德式激光通信终端粗跟踪技术[J]. 中国光学, 2018, 11(4): 644-653. doi: 10.3788/CO.20181104.0644
ZHANG Jia-qi, ZHANG Li-zhong, DONG Ke-yan, WANG Chao, LI Xiao-ming. Coarse tracking technology of secondary imaging Coude-type laser communication terminal[J]. Chinese Optics, 2018, 11(4): 644-653. doi: 10.3788/CO.20181104.0644
Citation: ZHANG Jia-qi, ZHANG Li-zhong, DONG Ke-yan, WANG Chao, LI Xiao-ming. Coarse tracking technology of secondary imaging Coude-type laser communication terminal[J]. Chinese Optics, 2018, 11(4): 644-653. doi: 10.3788/CO.20181104.0644

二次成像型库德式激光通信终端粗跟踪技术

doi: 10.3788/CO.20181104.0644
基金项目: 

国家自然科学基金重大研究计划 No.91338116

详细信息
    作者简介:

    张家齐(1985-), 男, 吉林白山人, 博士研究生, 主要从事空间激光通信粗跟踪方面的研究。E-mail:zjq_cust@foxmail.com

    张立中(1968—),男,吉林省吉林市人,教授,博士生导师,主要从事激光通信总体设计方面的研究。E-mail:zlzcust@126.com

  • 中图分类号: TN929.13

Coarse tracking technology of secondary imaging Coude-type laser communication terminal

Funds: 

the Major Research Plan of the National Natural Science Foundation of China No.91338116

More Information
  • 摘要: 库德式激光通信终端粗跟踪探测器大视场接收信标光时,需通过望远单元、多块库德反射镜、分光片和粗跟踪透镜组,信标光传输路径长,使得后续子光路粗跟踪支路口径明显增加;捕获时望远单元和库德反射镜与粗跟踪探测器存在相对运动,信标光传递环节多,跟踪模型复杂。针对这两个问题,首先,对比了3种传统库德光路,选择二次成像型库德光路并对其进行设计,通过设计使后续子光路光学口径减小,利于后续子光路轻小型化设计;随后,对二次成像型库德式激光通信终端的跟踪模型进行推导,通过反射镜矩阵和坐标变换建立跟踪模型,并用Matlab-Simulink对跟踪模型进行仿真;最后,通过地面试验,对终端的跟踪性能进行测试,实测方位跟踪最大脱靶量为84.65 μrad(3σ)、俯仰最大脱靶量为56.33 μrad(3σ),满足通信要求的150 μrad(3σ),二次成像型库德结构和跟踪模型可满足星间激光通信粗跟踪捕获和跟踪要求。
  • 图  1  一次成像式库德光路

    Figure  1.  Coude optical system of primary imaging

    图  2  无焦形式的库德光路

    Figure  2.  A no focal kind of coude optical system

    图  3  二次成像式的库德光路

    Figure  3.  Coude optical system of reimaging imaging

    图  4  优化后库德光路光学图

    Figure  4.  Coude optical system after optimization

    图  5  库德光路粗跟踪中心视场和边缘视场波前误差

    Figure  5.  Wavefront error of Coude optical system of the field of view in the rough tracking center and edge

    图  6  库德光路的组成及坐标系

    Figure  6.  Composition of the Coude optical system and coordinate system

    图  7  跟踪仿真模型

    Figure  7.  Tracking simulation model

    图  8  脱靶量散点图

    Figure  8.  Miss distance scatter plot

    图  9  中心视场附近角度增量和光斑脱靶量

    Figure  9.  Angle increment and spot miss distance near the center of view

    图  10  边缘视场附近角度增量和光斑脱靶量

    Figure  10.  Angle increment and spot miss distance near the edge of the field of view

    图  11  粗跟踪测试试验方案

    Figure  11.  Test program of rough tracking

    图  12  卫星平台振动时域曲线

    Figure  12.  Time domain curve of vibration of satellite platform

    图  13  粗跟踪误差曲线

    Figure  13.  Coarse tracking error curve

    表  1  主天线参数

    Table  1.   Main antenna parameters

    项目参数
    口径/mm250
    物镜焦距/mm2 707.8
    目镜焦距/mm205.7
    放大倍数12.5
    视场/mrad4
    光学天线整机包络/mmΦ300×400
    库德1镜到库德2镜距离/mm215.5
    库德2镜到3镜距离/mm107
    库德3镜到库德4镜距离/mm65.72
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-01-11
  • 修回日期:  2018-03-13
  • 刊出日期:  2018-08-01

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