| Effect of Altitude Error on Position Precision of Double-Star Position System |
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| 作者姓名： | LIN Xueyuan LI Tingjun QIU Libo LIN Yu |
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| 作者单位： | Naval Aeronautical Engineering Institute, 188 Erma Road, Yantai 264001, China |
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| 摘 要： | IntroductionDouble-Star is to use two stationary orbit satellitesto locate the target which is located in the overlayarea of the the satellites’wave-beam. The two sat-ellites can only supply two equations. In order toget the three-dimensional position of…
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| 关 键 词： | 数字图 位置系统 位置精度 全球定位系统 |
| 文章编号： | 1009-5020（2006）02-089-05 |
| 收稿时间： | 2005-12-30 |
Effect of altitude error on position precision of double-star position system |
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| LIN Xueyuan LI Tingjun QIU Libo LIN Yu.Effect of Altitude Error on Position Precision of Double-Star Position System[J].Geo-Spatial Information Science,2006,9(2):89-93. |
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| Authors: | Lin Xueyuan Li Tingjun Qiu Libo Lin Yu |
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| Institution: | LIN Xueyuan LI Tingjun QIU Libo LIN Yu |
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| Abstract: | The effects of two kinds of methods for obtaining altitudes on the position precision are analyzed, and the error expressions are deduced. Many simulation results show that in the two cases, the effects of the same altitude errors on the positioning precision are identical, and the rules that the two altitude errors affect positioning precision can be expressed as that altitude error has little effect on the east-west position error, but has large effect on the south-north position error. |
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| Keywords: | Double-Star position system altitude error digital map barometer |
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