NSSC OpenIR  > 空间环境部
THE ADVANCEMENTS IN RESEARCH OF FY-3 GNOS II AND INSTRUMENT PERFORMANCE
Du, Qifei; Sun, Yueqiang; Bai, Weihua; Wang, Xianyi; Wang, Dongwei; Meng, Xiangguang; Cai, Yuerong; Xia, Junming; Wu, Chunjun; Liu, Congliang; Li, Wei; Liu, Cheng
作者部门空间环境部
会议录名称IGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM
2018
页码3347-3350
语种英语
ISSN号2153-6996
ISBN号978-1-5386-7150-4
摘要Global Navigation Satellite System (GNSS) Radio Occultation measurements can remote sensing Earth's neutral atmosphere and ionosphere. Meanwhile, another GNSS remote sensing technique named GNSS Reflectometry (GNSS-R) has been developed rapidly, which can retrieve sea surface wind speed. The GNSS Occultation Sounder (GNOS) II instrument has been designed to integrate these two GNSS remote sensing techniques in one payload of the third batch FengYun-3 (FY-3) satellites. This paper presents the advancements in research of GNOS II and instrument performance. The qualified module of GNOS II has been manufactured by National Space Science Center (NSSC), Chinese Academy of Sciences. We show that the phase center variety is low enough for the new designed precise orbit determination (POD) antenna to increase the accuracy of precise orbit determination. A wide coverage atmosphere occultation antenna and a 65nm technics ASIC are used in the new generation GNOS instrument. As an important improvement, the GNOS II can generate Delay Doppler Maps (DDMs) of GNSS signals scattered from the ocean surface. The result of test shows that the GNOS II instrument has high performance in precision of code, carrier phase and real-time navigation.
关键词GNOS II Radio Occultation GNSS-R
会议名称38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
会议日期JUL 22-27, 2018
会议地点Valencia, SPAIN
收录类别CPCI
文献类型会议论文
条目标识符http://ir.nssc.ac.cn/handle/122/6692
专题空间环境部
推荐引用方式
GB/T 7714
Du, Qifei,Sun, Yueqiang,Bai, Weihua,et al. THE ADVANCEMENTS IN RESEARCH OF FY-3 GNOS II AND INSTRUMENT PERFORMANCE[C],2018:3347-3350.
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