| 椭球数学投影变换在监测域测点模型中的应用 |
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| 引用本文： | 刘建清.椭球数学投影变换在监测域测点模型中的应用[J].兰州石化职业技术学院学报,2010,10(4):74-77. |
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| 作者姓名： | 刘建清 |
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| 作者单位： | 兰州石化职业技术学院信息处理与控制工程系,甘肃兰州730060 |
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| 基金项目： | 兰州石化职业技术学院科研基金 |
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| 摘 要： | 首先以所有测控站都与卫星或飞船的运行轨道共面的前提条件下,考虑到地球自转时该卫星或飞船在运行过程中相继两圈的经度有一些差异,计算测控站与星下点的经度之差,得出测控站范围可监测的区域模型;其次通过收集"神七"的测控站点的分布信息及运行资料,计算出每个测控站点经度测控范围;最后对模型中未考虑引起测控定位误差的影响因素部分进行了分析和讨论,提出了改进方法并进行了推广。
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| 关 键 词： | 卫星 飞船 测控 定位 投影变换 |
Application of Ellipsoidal Mathematical Projection Transformation in the Measuring Point Model of the Monitoring Domain |
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| LIU Jian-qing.Application of Ellipsoidal Mathematical Projection Transformation in the Measuring Point Model of the Monitoring Domain[J].Journal of Lanzhou Petrochemical Vocational College of Technology,2010,10(4):74-77. |
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| Authors: | LIU Jian-qing |
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| Institution: | LIU Jian-qing (Lanzhou Petrochemical College of Technology,Lanzhou 730060,China) |
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| Abstract: | Under the condition that all measurement and control stations keep coplanar with satellites and spacecraft,this paper calculates the difference of longitude between control station and satellite bottom point,then obtains regional model of control sphere of the control station;what＇s more,it also accumulates the distribution points and operational information of Shenzhou-7 spacecraft to calculate its control sphere.At last,it puts forward the improvement method for the reason affecting location difference. |
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| Keywords: | satellite spacecraft measurement and control location projection transformation |
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