| 基于GPS/INS的影像实时定位与误差分析 |
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| 引用本文： | 张鹏强,王番,余旭初,万刚.基于GPS/INS的影像实时定位与误差分析[J].测绘学院学报,2006(3). |
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| 作者姓名： | 张鹏强 王番 余旭初 万刚 |
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| 作者单位： | 信息工程大学测绘学院 河南郑州450052 |
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| 基金项目： | 国家自然科学基金资助项目(40371090) |
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| 摘 要： | 遥感影像目标实时定位的关键是外方位元素的实时获取,在航空遥感平台上加载GPS/INS组合导航系统能够满足这一需求。文中首先给出了基于GPS/INS系统的目标直接定位方法;然后从摄影测量的角度,重点推导了影像内外方位元素对目标定位的误差传递公式;并运用实例验证了公式的有效性。
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| 关 键 词： | GPS/INS组合导航系统 目标定位 误差分析 |
Real-time Positioning and Error Analysis of Remote Sensing Images Based on GPS/INS System |
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| ZHANG Peng-qiang,WANG Fan,YU Xu-chu,WAN Gang.Real-time Positioning and Error Analysis of Remote Sensing Images Based on GPS/INS System[J].Journal of Institute of Surveying and Mapping,2006(3). |
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| Authors: | ZHANG Peng-qiang WANG Fan YU Xu-chu WAN Gang |
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| Abstract: | How to get the external orientation elements of remote sensing images in real time is the key of real-time ground object positioning.To satisfy this requirement,one feasible option is to build an integrated GPS/INS navigation system on the platform.In this paper,a direct object positioning method is proposed based on the integrated GPS/INS navigation system,then the authors focus on the derivation of the error propagation formula which indicates the influence on the positioning precision from the error of the internal and external orientation elements,and the validation of the formula with an instance. |
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| Keywords: | integrated GPS/INS navigation system object positioning error analysis |
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