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VALIDATION RESULTS OF NMF2 DERIVED FROM BEIDOU NAVIGATION SATELLITE SYSTEM RADIO OCCULTATION OBSERVED BY GNOS ON FY3C SATELLITE
Bai, Weihua; Yang, Guanglin; Sun, Yueqiang; Xia, Junnaing; Tan, Guangyuan; Cheng, Cheng; Wang, Yingqiang; Wang, Xianyi; Wang, Dongwei
Department空间环境部
Source PublicationIGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM
2018
Pages9157-9160
ISSN2153-6996
ISBN978-1-5386-7150-4
Abstract

The dual-system compatible Global Navigation Satellite System(GNSS) occultation sounder (GNOS) for Beidou Navigation Satellite System (BDS) and Global Positioning System(GPS) was launched into orbit with FY3C satellite on September 23, 2013, in which we can get an important ionospheric parameter:F2-layer peak electron density (NmF2), it can limit the maximum feasible frequency for ground signal propagation, as well as defining the minimum required frequency for transionospheric radio wave propagation, so it's a crucial parameter for charactering ionosphere and the space weather. In this presentation, we verify the precision of ionospheric BDS radio occultation (BDSRO) data obtained by FY3C/GNOS through NmF2 comparisons between BDSRO and ionosondes. The results show that the correlation coefficient of NmF2 data between BDSRO and ionosondes is 0.96, the bias is 10.21% and the standard deviation (std) is 19.61%. The NmF2 precision of BDSRO at daytime is higher than that of nighttime; When Beidou satellites are at Inclined Geosynchronous Satellite Orbit (IGSO), its precision is higher than that at Geosynchronous orbit (GEO) and Medium Earth Orbit (MEO).

KeywordRadio Occultation Global Navigation Satellite System Occultation Sounder Beidou Navigation Satellite System Ionosphere
Conference Name38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 22-27, 2018
Conference PlaceValencia, SPAIN
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6693
Collection空间环境部
Recommended Citation
GB/T 7714
Bai, Weihua,Yang, Guanglin,Sun, Yueqiang,et al. VALIDATION RESULTS OF NMF2 DERIVED FROM BEIDOU NAVIGATION SATELLITE SYSTEM RADIO OCCULTATION OBSERVED BY GNOS ON FY3C SATELLITE[C],2018:9157-9160.
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