| 全球范围IGS监测站GPS观测数据质量分析 |
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| 引用本文： | 宗干,郭金运.全球范围IGS监测站GPS观测数据质量分析[J].全球定位系统,2019,44(1):94-100. |
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| 作者姓名： | 宗干 郭金运 |
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| 作者单位： | 1.青岛市光电工程技术研究院,山东 青岛 266109 |
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| 基金项目： | 国家自然科学基金(41374009);山东省自然科学基金(ZR2017MD032) |
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| 摘 要： | 全球卫星导航系统(GNSS)的持续完善及其在多领域内的大量应用,拓展了国际GNSS服务组织(IGS)连续监测站的服务领域,从而提升了对其观测数据的质量要求,因此有必要对大范围内IGS站点卫星观测数据质量进行分析.结合目前各GNSS的全球覆盖程度以及发展成熟度,本文以GPS为对象,对全球范围IGS站点该系统的原始观测数据质量进行评价,包括数据所受多径影响、数据观测完整程度以及数据中跳变比例三方面,得出了关于IGS站点GPS数据质量的分析结果,该结果可为地学研究及工程应用过程中站点的选取作参考.
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| 关 键 词： | GPS IGS 连续监测站 观测数据 数据质量 |
Quality analysis of GPS observation data of global IGS stations |
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| ZONG Gan,GUO Jinyun.Quality analysis of GPS observation data of global IGS stations[J].Gnss World of China,2019,44(1):94-100. |
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| Authors: | ZONG Gan GUO Jinyun |
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| Affiliation: | 1.Qingdao Academy for Opto-Electronics Engineering,Qingdao 266109, China2.College of Geodesy and Geomatics, Shandong University of Science and Technology, Qingdao 266590, China |
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| Abstract: | The continuous construction of global navigation satellite system and its extensive application have expanded the service areas of IGS GNSS continuous observation stations, thus improving the requirements of their data quality, so it is necessary to understand its data quality in a wide area of the world. Considering system global coverage and development maturity, this paper aims at GPS, makes a statistical analysis about multipath impacts, data observation integrity and o／slps, and obtains preliminary conclusions on IGS GPS data quality. |
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| Keywords: | GPS IGS continuous observation station raw observation data data quality |
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