期刊文献+

GPS/BDS系统实时用户保护水平研究分析 被引量:1

Analysis on real-time horizontal/vertical protection level of GPS/BDS system
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摘要 针对全球卫星导航定位系统的完备性监测领域中,用户保护水平估计不准会使系统性能降低或产生误警信息等问题,该文比较BDS系统、GPS系统、BDS/GPS组合系统下实时用户保护水平,并验证BDS系统下的实时用户保护水平是否满足用户的需求。利用水平保护水平和垂直保护水平模型,选取了3个监测站2d的监测结果分析了GPS系统、BDS系统与GPS/BDS系统组合的实时用户保护水平,并验证了该算法的稳定性。 With the development of the global satellite navigation and positioning system,BDS satellite systems are also constantly improve.Completeness monitoring is a hotspot of GNSS system research field.XPL is one of the important indicators to ensure the normal use of satellite navigation system.To compare the BDS system,GPS system and BDS/GPS combination of real-time XPL,and verify the realtime XPL of BDS systems whether to meet the needs of users,this paper used the HPL and VPL model to select the monitoring results of the three stations for two days to analyze the real XPL of GPS system/BDS systems and GPS/BDS combinations system,and verified the stability of the algorithm finally.
出处 《测绘科学》 CSCD 北大核心 2016年第5期38-44,共7页 Science of Surveying and Mapping
基金 国家自然科学基金项目(41304030) 科技部“863”计划项目(2013AA122501) 科技部科技支撑计划课题项目(2012BAB16B01) 地理空间信息工程国家测绘地理信息局重点实验室经费资助项目(201301) 北斗分析中心项目(GFZX0301040308-06) 海岛(礁)测绘技术国家测绘地理信息局重点实验室资助项目(2013B01) 四川省测绘地理信息局科技资助项目(J2014ZC01) 中国测绘科学研究院基本科研业务费项目(7771503)
关键词 GPS BDS 水平保护水平 垂直保护水平 GPS BDS HPL VPL
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参考文献8

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二级参考文献22

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