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自主导航星座旋转误差的差分校正技术

孟繁智 史鹏亮 欧钢

孟繁智, 史鹏亮, 欧钢等 . 自主导航星座旋转误差的差分校正技术[J]. 北京航空航天大学学报, 2014, 40(8): 1033-1037. doi: 10.13700/j.bh.1001-5965.2013.0544
引用本文: 孟繁智, 史鹏亮, 欧钢等 . 自主导航星座旋转误差的差分校正技术[J]. 北京航空航天大学学报, 2014, 40(8): 1033-1037. doi: 10.13700/j.bh.1001-5965.2013.0544
Meng Fanzhi, Shi Pengliang, Ou Ganget al. Differential correction technique to the rotation error in autonomous navigation constellation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1033-1037. doi: 10.13700/j.bh.1001-5965.2013.0544(in Chinese)
Citation: Meng Fanzhi, Shi Pengliang, Ou Ganget al. Differential correction technique to the rotation error in autonomous navigation constellation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(8): 1033-1037. doi: 10.13700/j.bh.1001-5965.2013.0544(in Chinese)

自主导航星座旋转误差的差分校正技术

doi: 10.13700/j.bh.1001-5965.2013.0544
基金项目: 

中国第二代卫星导航系统重大专项资助项目(GFZX0301020211)

详细信息
    作者简介:

    孟繁智(1981-),男,辽宁盖州人,工程师,mfz9942046@163.com.

  • 中图分类号: TN967.1

Differential correction technique to the rotation error in autonomous navigation constellation

  • 摘要: 基于星间观测的自主导航星座存在整体旋转不可测问题,一旦星座发生整体旋转,将导致地面用户定位结果存在偏差.针对这一问题建立了地面用户定位误差模型,运用定位原理和球坐标系变换,从数学上推导了星座整体旋转偏差和地面用户定位偏差之间的关系,在此基础上提出了基于差分原理的旋转误差校正技术,并给出了系统组成和校正算法.使用Walker 12/3/1星座的仿真表明,导航星座旋转误差将导致地面用户的大地经度出现相同角度的偏差,地面用户使用差分校正技术后可有效校正这一误差,在星座整体旋转误差小于1'(相当于赤道地区31 m的水平误差)的条件下,地面用户经差分校 正后的水平误差小于 1.5 m,高程误差小于0.003 m.

     

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出版历程
  • 收稿日期:  2013-09-24
  • 网络出版日期:  2014-08-20

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