基于天顶观测的光学系统精确标定方法

张磊, 王安国, 李辉, 石一鸣

张磊, 王安国, 李辉, 石一鸣, . 基于天顶观测的光学系统精确标定方法[J]. 应用光学, 2012, 33(5): 855-861.
引用本文: 张磊, 王安国, 李辉, 石一鸣, . 基于天顶观测的光学系统精确标定方法[J]. 应用光学, 2012, 33(5): 855-861.
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ZHANG Lei, WANG An-guo, LI Hui, SHI Yi, ming. Accurate calibration method for optical system based on zenith observation[J]. Journal of Applied Optics, 2012, 33(5): 855-861.
Citation: ZHANG Lei, WANG An-guo, LI Hui, SHI Yi, ming. Accurate calibration method for optical system based on zenith observation[J]. Journal of Applied Optics, 2012, 33(5): 855-861.
shu

基于天顶观测的光学系统精确标定方法

  • 1.

    海军大连舰艇学院 研究生管理大队,辽宁 大连 116018;

  • 2.

    海军大连舰艇学院 航海系,辽宁 大连 116018;

  • 3.

    海军91550部队,辽宁 大连 116018

详细信息
    通讯作者:

    张磊(1983-)，男，河北唐山人，博士研究生，主要从事天文导航与舰船武器装备系统与校准方面研究工作。

  • 中图分类号: TN206；TH741.2

Accurate calibration method for optical system based on zenith observation

  • 1.

    Department of Graduate Management,Dalian Naval Academy,Dalian 116018,China;

  • 2.

    Department of Navigation,Dalian Naval Academy,Dalian 116018,China;

  • 3.

    Unit 91550 of Navy,Dalian 116018,China

摘要

    摘要
  • 摘要: 针对光学系统在实际应用中与载体坐标系协调的问题，将光学系统基准面放置于站心地平坐标系水平面上并摄取星图，对星图处理获取星像坐标，应用天体自动辨识技术和恒星视位置计算技术得到对应天体的赤道坐标，以天顶点为原点建立天球切平面基准坐标系，把星体赤道坐标转化为所对应的基准坐标，利用天顶点切平面与站心地平坐标系的对应关系，将天体基准坐标转换为站心像平面坐标，建立星体站心像平面坐标与星图像平面坐标的标定方程，解算光学系统综合标定参数。实验结果表明：标定精度达到角秒量级，实现光学系统像平面坐标系到载体坐标系的高精度转换。
    Abstract: Aiming at the problem of optical system coordinated with carrier in practical application, the optical system was placed on the plane of horizontal coordinate system and the star image was taken. Coordinates of star image were calculated through image processing. The equatorial coordinates of stars were obtained by automatic celestial body identification and star apparent position calculation. Reference coordinate was established in plane of the sky centered by zenith point. The equatorial coordinates of stars were converted to reference coordinates, and then to topocentric image coordinates according to the relation between zenithal tangent plane and topocentric coordinate. The calibration equation between image coordinates and topocentric coordinates of stars was set up to calculate the deviation parameter of system. The calibration accuracy is arc-second magnitude. The high precision coordinate conversion from star sensor to carrier is realized by this method.
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  • 刊出日期:  2012-09-14

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