| GALILEO�걸��ϵͳ��XPL�㷨�о� |
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| 引用本文： | 谷守周,秘金钟,党亚民.GALILEO�걸��ϵͳ��XPL�㷨�о�[J].大地测量与地球动力学,2010,30(2):104-108. |
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| 作者姓名： | 谷守周 秘金钟 党亚民 |
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| 作者单位： | 1. 中国测绘科学研究院,北京,100039;山东科技大学,青岛,266510
2. 中国测绘科学研究院,北京,100039;武汉大学,武汉,430079 |
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| 基金项目： | 国家863计划项目，国家自然科学基金 |
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| 摘 要： | ????XPL????Ч?????????HPL??VPL??????????????????м?????????????????????HPL??VPL??????????????HPL??VPL?????????С??9 m??12 m?????????12 m??20 m?????????????????????????????????????
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| 关 键 词： | ??????? ???????? ????????? ????? ????? |
RESEARCH ON XPL ALGORITHM OF GALILEO INTEGRITY SYSYTEM |
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| Gu Shouzhou,Bei Jinzhong,Dang Yamin,.RESEARCH ON XPL ALGORITHM OF GALILEO INTEGRITY SYSYTEM[J].Journal of Geodesy and Geodynamics,2010,30(2):104-108. |
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| Authors: | Gu Shouzhou Bei Jinzhong Dang Yamin |
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| Institution: | 1)Chinese Academic of Surveying and Mapping,Beijing 1000392)Shandong University of Science and Technology, Qingdao 2665103)Wuhan University, Wuhan 430079 |
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| Abstract: | In the Galileo integrity system,to confirm the system working normally and the safety of user, it is important to estimate Horizontal/Vertical Protection Level(XPL) effectively. So it is necessary to test the theory of computing HPL and VPL respectively, analyze the results, and validating the availability of the theory by using the observations. The results show that the maximum calculated values of HPL and VPL are less than 9 meters and 12 meters respectively, so can meet the requirement of limited values: 12 meters and 20 meters, it proves that the theory is efficient and effective. Furthermore, the stability of the theory is proved from the view of the standard deviation. |
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| Keywords: | Gelileo system HPL VPL standard deviation stability |
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