Variation properties of ionospheric

Variation properties of ionospheric eclipse factor and ionospheric influence factor

The concepts and calculation methods of ionospheric eclipse factor (IEF) and ionospheric influence factor (IFF) are further illustrated. The temporal and spacial variation properties of IEF and IFF are studied, which shows that the properties are influenced by the geographic position and season. The possibility of improving the precision of using GPS data to determine ionospheric delay based on the above variation properties is also analysed.

作 者： Zhao Chunmei YUAN Yunbin OU Jikun CHEN Jinping   作者单位： Zhao Chunmei(Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China;Graduate School of Chinese Academy of Sciences, Beijing 100039, China)

YUAN Yunbin,OU Jikun(Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, China)

CHEN Jinping(Department of Precision Instrument and Mechanology, Tsinghua University, Beijing 100084,China) 

刊 名： 自然科学进展（英文版）  SCI 英文刊名： PROGRESS IN NATURAL SCIENCE  年，卷(期)： 2005 15(6)  分类号： P5  关键词： GPS   ionospheric eclipse factor   ionospheric influence factor  

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