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星载离轴多光谱相机焦平面的装调与检测

梅贵 翟岩 苗健宇 浦前帅 余达 张博研

梅贵, 翟岩, 苗健宇, 浦前帅, 余达, 张博研. 星载离轴多光谱相机焦平面的装调与检测[J]. 中国光学(中英文), 2016, 9(4): 491-500. doi: 10.3788/CO.20160904.0491
引用本文: 梅贵, 翟岩, 苗健宇, 浦前帅, 余达, 张博研. 星载离轴多光谱相机焦平面的装调与检测[J]. 中国光学(中英文), 2016, 9(4): 491-500. doi: 10.3788/CO.20160904.0491
MEI Gui, ZHAI Yan, MIAO Jian-yu, PU Qian-shuai, YU Da, ZHANG Bo-yan. Focal plane alignment and testing for an off-axis multispectral space borne camera[J]. Chinese Optics, 2016, 9(4): 491-500. doi: 10.3788/CO.20160904.0491
Citation: MEI Gui, ZHAI Yan, MIAO Jian-yu, PU Qian-shuai, YU Da, ZHANG Bo-yan. Focal plane alignment and testing for an off-axis multispectral space borne camera[J]. Chinese Optics, 2016, 9(4): 491-500. doi: 10.3788/CO.20160904.0491

星载离轴多光谱相机焦平面的装调与检测

doi: 10.3788/CO.20160904.0491
基金项目: 

国家自然科学基金资助项目 No.61405191

吉林省科技发展计划青年科研基金资助项目 No.20150520102JH

详细信息
    通讯作者:

    梅贵(1984-),男,江苏高邮人,助理研究员,2006年、2009年于清华大学分别获得学士、硕士学位,主要从事空间遥感器光机结构设计方面的研究。E-mail:meigui840428@163.com

  • 中图分类号: V447+.1;V443+.5

Focal plane alignment and testing for an off-axis multispectral space borne camera

Funds: 

National Science Foundation of China No.61405191

Jilin Provincial Project of Science & Technology Development of China No.20150520102JH

More Information
  • 摘要: 针对某离轴多光谱相机焦平面高精度的装调要求,设计了焦平面组件,阐述了装调、检测的仪器设备和方法。首先将焦平面组件安装至镜头,测量并解算出CCD光敏面的角度和位移偏差,接着根据偏差确定调整垫修研量,进行初次修垫并重新安装,然后利用调整工装微调CCD姿态至满足指标要求,调整垫处打销钉定位,最后根据拟合出的最佳焦平面位置再次修研调整垫,利用销钉复位完成装调工作。检测结果表明,相机的CCD光敏面相对于设计焦平面三维角度偏差分别为Δα=-6.7",Δβ=1.9',Δγ=13.2",三维位移偏差分别为Δx=-0.004 mm,Δy=0.006 mm,Δz=-0.070 mm,相机四谱段、全视场MTF优于0.25,满足设计和装调要求。测量和解算误差分析表明,所用的设备与方法能够满足装调精度的要求,可以为此类相机的研制提供一定的技术参考。

     

  • 图 1  多光谱相机光学系统示意图

    Figure 1.  Schematic of optical system of a multispectral camera

    图 2  多光谱CCD结构示意图

    Figure 2.  Schematic of multispectral CCD geometry

    图 3  焦平面组件结构简图

    Figure 3.  Diagram of focal plane subassembly

    图 4  焦平面-调焦组件结构示意图

    Figure 4.  Schematic of focal plane-focusing subassembly

    图 5  螺钉连接偏差示意图

    Figure 5.  Schematic of screw fastening deviation sketch

    图 6  焦平面装调装置示意图

    Figure 6.  Schematic of equipments for focal plane alignment

    图 7  整机结构示意图

    Figure 7.  Structure schematic of the camera

    图 8  显示器显示标记点示意图

    Figure 8.  Schematic of pixel mark in screen

    图 9  焦平面微调工装

    Figure 9.  Schematic of fine-tuning mechanism of the focal plane

    图 10  MTF-调焦曲线

    Figure 10.  Curve of MTF-focusing

    图 11  全视场MTF对比图

    Figure 11.  Comparison curve of all-field MTFs

    图 12  多光谱相机外景成像试验图

    Figure 12.  Outdoor imaging test of the camera

    表  1  焦平面装调偏差实测结果

    Table  1.   Results of alignment deviations

    ParametersΔαΔβΔγΔx/mmΔy/mmΔz/mm
    Deviations-6.7″1.9′13.2″-0.0040.006-0.070
    Requirements±15″±4′±30″±0.04±0.02±0.1
    下载: 导出CSV

    表  2  相机四谱段MTF检测结果

    Table  2.   Four-spectral MTFs of the camera

    FieldMTF(B)MTF(G)MTF(R)MTF(NIR)MTF(Lens)
    -1ω0.3320.3550.3400.2650.681
    -0.5ω0.3410.3660.3470.2710.705
    0ω0.3430.3700.3510.2730.712
    +0.5ω0.3420.3680.3490.2720.709
    +1ω0.3340.3580.3440.2680.689
    下载: 导出CSV

    表  3  焦平面装调中的各种误差

    Table  3.   Errors in focal plane alignment progress

    Error TypeValue
    2-DOF turntable alignment,σ10.5″
    Leicatheodolite alignment,σ20.7″
    Camera alignment,σ31″
    Optical axis orientation,σ41.5″
    Leicatheodolite measurement,σ51.0″
    Collimator alignment,σ61.0″
    Collimator measurement,σ70.5″
    Focusing mechanism position,σ84 codes
    Least-squarefitting,σ96 codes
    下载: 导出CSV
  • [1] 武星星,刘金国.大视场多光谱空间相机在轨自动相对辐射校正研究[J].仪器仪表学报,2013,34(1):104-111.

    WU X X,LIU J G. Research on on-orbit automatic relative radiometric correction of multi-spectral space camera with large field of view[J]. Chinese J. Scientific Instrument,2013,34(1):104-111.(in Chinese)
    [2] JOHN W F. The QuickBird telescope:the reality of large, high-quality, commercial space optics[J]. SPIE,1999,3779:22-30.
    [3] BICKNELL W E,DIGENIS C J,FORMAN S E. EO-1 advanced land imager[J]. SPIE,1999,3750:80-88.
    [4] SHIMODA H. Japanese earth observation programs[J]. SPIE,1999,3870:37-48.
    [5] 曲宏松,金光,张叶."NextView 计划"与光学遥感卫星的发展趋势[J].中国光学与应用光学,2009,2(6):27-36.

    QU H S,JIN G,ZHANG Y. NextView program and progress in optical remote sensing satellites[J]. Chinese J. Optics and Applied Optics,2009,2(6):27-36.(in Chinese)
    [6] 徐伟,朴永杰.从Pleiades剖析新一代高性能小卫星技术发展[J].中国光学,2013,6(1):9-19.

    XU W,PIAO Y J. Analysis of new generation high-performance small satellite technology based on the Pleiades[J]. Chinese Optics,2013,6(1):9-19.(in Chinese)
    [7] 焦斌亮,王朝晖,林可祥,等.星载多光谱CCD相机研究[J].仪器仪表学报,2004,25(2):146-151.

    JIAO B L,WANG Z H,LIN K X,et al.. A multispectral CCD camera for satellite use[J]. Chinese J. Scientific Instrument,2004,25(2):146-151.(in Chinese)
    [8] 刘姜伟,黄海乐,李五.天绘一号卫星高分辨、多光谱相机与三线阵正视相机夹角在轨标定方法研究[J].红外与激光工程,2015,44(2):662-667.

    LIU J W,HUANG H L,LI W. Research on method for the in-flight calibration of mapping satellite-1 high-resolution camera, multispectral camera and three-line-array nadir camera's intersection angle[J]. Infrared and Laser Engineering,2015,44(2):662-667.(in Chinese)
    [9] 蒋永华,张过,唐新民,等.资源三号测绘卫星多光谱影像高精度谱段配准[J].测绘学报,2013,12(6):884-890.

    JIANG Y H,ZHANG G,TANG X M,et al.. Research on high accuracy band-to-band registration method of ZY-3 multispectral image[J]. Acta Geodaetica et Cartographica Sinica,2013,12(6):884-890.(in Chinese)
    [10] 贾福娟,吴雁林,黄颖,等.环境减灾_1A_1B卫星宽覆盖多光谱CCD相机技术[J].航天器工程,2009,18(6):37-42.

    JIA F J,WU Y L,HUANG Y,et al.. Design and on-orbit application of CCD camera on HJ-1A/1B satellites[J]. Spacecraft Engineering,2009,18(6): 37-42.(in Chinese)
    [11] 范斌,蔡伟军,张孝弘,等.资源三号卫星多光谱相机技术[J].航天返回与遥感,2012,33(3):75-84.

    FAN B,CAI W J,ZHANG X H,et al.. Technology of the multi-spectral camera of ZY-3 satellite[J]. Spacecraft Recovery & Remote Sensing,2012,33(3):75-84.(in Chinese)
    [12] 巩盾.空间遥感测绘光学系统研究综述[J].中国光学,2015,8(5):714-724.

    GONG D. Review on mapping space remote sensor optical system[J]. Chinese Optics,2015,8(5):714-724.(in Chinese)
    [13] 沙巍,陈长征,许艳军,等.离轴三反空间相机主三镜共基准一体化结构[J].光学 精密工程,2015:23(6):1612-1619.

    SHA W,CHEN CH ZH,XU Y J,et al.. Integrated primary and tertiary mirror components from common base line of off-axis TMA space camera[J]. Opt. Precision Eng.,2015: 23(6):1612-1619.(in Chinese)
    [14] 孙继明,郭疆,邵明东,等.大视场时间延迟积分CCD遥感相机的精密定焦[J].光学 精密工程,2014,22(3):602-607.

    SUN J M,GUO J,SHAO M D,et al.. Precise focusing for TDICCD camera with wide field of view[J]. Opt. Precision Eng.,2014,22(3):602-607.(in Chinese)
    [15] 吴国栋.一种三线阵测绘相机CCD像面的装调方法[J].仪器仪表学报,2009,30(11):2395-2398.

    WU G D. Alignment method of CCD image plane for three-line array mapping camera[J]. Chinese J. Scientific Instrument,2009,30(11):2395-2398.(in Chinese)
    [16] 许志涛,刘金国,龙科慧,等.高分辨率空间相机调焦机构精度分析[J].光学学报,2013,33(7):0728001.

    XU ZH T,LIU J G,LONG K H,et al.. Accuracy analysis of focusing mechanism of high resolution space camera[J]. Acta Optica Sinica,2013,33(7):0728001.(in Chinese)
    [17] 马宏,王金波.误差理论与仪器精度[M].北京:兵器工业出版社,2007:84-87.

    MA H,WANG J B. Error Theory and Precision of Instrument[M]. Beijing:Weapon Industry Press,2007:84-87.(in Chinese)
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出版历程
  • 收稿日期:  2016-03-16
  • 修回日期:  2016-04-28
  • 刊出日期:  2016-08-01

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