多系统多频率的EGNOS系统完备性模拟分析

¹武汉大学测绘学院,武汉市珞喻路129号430079;²绵阳市测绘工程所,绵阳市沈家坝街15号621000;³中国地质大学(武汉)信息工程学院,武汉市鲁磨路388号430074

基金项目: 国家863计划资助项目(2009AA12Z301);;武汉大学卫星与导航定位教育部国家重点实验室开放研究基金资助项目(CRC-2009008)

详细信息

Simulation and Analysis of EGNOS System's Integrity Under Multi-system with Multi-frequency

¹ School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China;² Mianyang Geomatics Engineering Institute,15 Shenjiaba Street,Mianyang 621000,China;³ Faculty of Information Engineering,China University of Geosciences,388 Lumo Road,Wuhan 430074,China

Funds: 国家863计划资助项目(2009AA12Z301);;武汉大学卫星与导航定位教育部国家重点实验室开放研究基金资助项目(CRC-2009008)

摘要: 推导了EGNOS系统不同频率情况下的完备性算法。针对GPS和GPS/Galileo组合导航的情况,模拟计算了EGNOS增强系统能为多频用户提供的完备性能。分析结果表明,EGNOS能够使GPS/Galileo系统的双频用户满足Cat-Ⅰ飞行阶段的完备性要求。
- EGNOS /
- 完备性 /
- HPL /
- VPL
Abstract: The algorithm of integrity with different frequencies of the EGNOS system is deduced.The regional integrity of EGNOS system is simulated under GPS and GPS/Galileo systems with different frequencies.The results show that the EGNOS can provide Cat-Ⅰ integrity requirement in case of GPS/GALILEO systems with double-frequency.
- EGNOS /
- integrity /
- HPL /
- VPL