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| 引用本文： | 李国重,李建文,归庆明.????????????????????????????·???[J].大地测量与地球动力学,2010,30(2):67-70. |
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| 作者姓名： | 李国重 李建文 归庆明 |
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| 作者单位： | 1. 解放军信息工程大学测绘学院,郑州,450052;解放军信息工程大学理学院数理系,郑州,450001
2. 解放军信息工程大学测绘学院,郑州,450052 |
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| 基金项目： | 河南省基础与前沿技术研究计划项目，国家自然科学基金，卫星导航与定位教育部重点实验室(B类)开放基金 |
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| 摘 要： | ????????????λ????????????????DOP????????????????????????????????????伸?η????????????????????á????t?????????????????μ????????????????????????????????????????????????????б?????????μ????????????????????
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| 关 键 词： | ??λ???? ???????????(DOP) HDOP VDOP ???????? |
A NEW METHOD FOR CONSTRUCTINBG DOP OF SATELLITE NAVIGATION SYSTEM |
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| Li Guozhong,Li Jianwen,Gui Qingming,.A NEW METHOD FOR CONSTRUCTINBG DOP OF SATELLITE NAVIGATION SYSTEM[J].Journal of Geodesy and Geodynamics,2010,30(2):67-70. |
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| Authors: | Li Guozhong Li Jianwen Gui Qingming |
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| Institution: | 1)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500522)College of Science, Information Engineering University, Zhengzhou 450001 |
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| Abstract: | Positioning accuracy is closely linked to the dilution of precision (DOP). DOP reflects the geometric distribution of visible satellites in space and enlarges the ranging errors. The new estimations of GDOP, PDOP and HDOP called essential DOP are studied and their properies are discussed. The new defined DOP are determined by the maximum eigenvalue of the corresponding co-factor matrix. |
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| Keywords: | HDOP VDOP positioning accuracy DOP(dilution of precision) HDOP VDOP maximum eigenvalue |
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