| 基于道路的地球同步卫星定位方法 |
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| 引用本文： | 刘利,杜兰,韩春好.基于道路的地球同步卫星定位方法[J].测绘学报,2001,30(4):322-326. |
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| 作者姓名： | 刘利 杜兰 韩春好 |
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| 作者单位： | 解放军信息工程大学测绘学院, |
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| 基金项目： | 国家自然科学基金;19773011; |
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| 摘 要： | 提出了基于道路的同步卫星定位方法，并对定位精度问题进行了讨论。该方法利用高精度的道路数据库作约束来取代高程数据库，从而将3维定位转化为单参数求解。在理论上只需要一颗卫星就能够定位，另一颗卫星的观测量可以作为检核。该方法既提高了系统的定位精度，又增加了系统的可靠性。理论分析和模拟计算表明，方法是有效可行的。
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| 关 键 词： | 定位 地球同步卫星 道路数据库 数学模型 |
| 文章编号： | 1001-1595(2001)04-0322-05 |
Geostationary Satellite Positioning Based on Road |
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| LIU Li,DU Lan,HAN Chun hao.Geostationary Satellite Positioning Based on Road[J].Acta Geodaetica et Cartographica Sinica,2001,30(4):322-326. |
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| Authors: | LIU Li DU Lan HAN Chun hao |
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| Abstract: | A method of geostationary satellite positioning based on road is presented. The positioning accuracy is also discussed. Instead of the Digital Elevation Model (DEM), the high accurate information of the spatial road, on which is the user, is used in the very positioning method. The 3D positioning problem then becomes one parameter calculation. With a vector road database, theoretically, only one satellite ranging signal is needed to get user's position and the other signal can be used as a check. Obviously, it can not only improve the positioning precision, but also increase the system reliability. Some numerical simulation is also given to show its validity and feasibility. |
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| Keywords: | positioning geostationary satellite road database |
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