| 海面高因素对北斗系统海上无源定位精度的影响 |
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| 引用本文： | 翟国君,王磊,王克平.海面高因素对北斗系统海上无源定位精度的影响[J].海洋测绘,2008,28(1):1-4. |
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| 作者姓名： | 翟国君 王磊 王克平 |
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| 作者单位： | 1. 海军海洋测绘研究所,天津,300061
2. 91550部队,辽宁,大连,116000 |
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| 摘 要： | 研究了海面高因素对北斗系统定位精度的影响，并利用“三星＋高程约束法”、“星际差分＋初始高程约束法”和“余弦定理解析求解法”三种解算方法进行仿真计算，计算结果表明，考虑海面高因素能有效地提高北斗系统定位精度且提高幅度与解算方法有关。
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| 关 键 词： | 海面高 卫星定位 北斗无源定位 定位精度 |
| 文章编号： | 1671-3044（2008）01-0001-04 |
| 收稿时间： | 2007-10-11 |
| 修稿时间： | 2007-10-28 |
Study on the Influence of Sea Level Height on the BeidouPassive Positioning Accuracy |
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| ZHAI Guo-jun,WANG Lei,WANG Ke-ping.Study on the Influence of Sea Level Height on the BeidouPassive Positioning Accuracy[J].Hydrographic Surveying and Charting,2008,28(1):1-4. |
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| Authors: | ZHAI Guo-jun WANG Lei WANG Ke-ping |
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| Institution: | ZHAI Guo-jun , WANG Lei, WANG Ke-ping ( 1. Naval Institute of hydrographic Surveying and Charting, Tianjin, 300061 ; 2.91550 Troops, Dalian, Liaoning, 116000) |
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| Abstract: | The influence of sea level height on the Beidou navigation and positioning on the sea is studied and the emulation is carried out using three ways: "three stars restrict of height","difference between satellites restrict of initial height" and"cosine law analytic algorithm".It is shown that taking the sea level height into account can effectively enhance the positioning precision and improvement scope has to do with calculation method. |
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| Keywords: | sea sevel height satellite positioning Beidou passive positioning positioning accuracy |
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