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EFFECT OF LHCP ANTENNA'S CENTRAL BEAM DIRECTION ON DDM'S SNR AROUND SPECULAR
Xia, Junming; Bai, Weihua; Wu, Xuerui; Sun, Yueqiang; Du, Qifei; Wang, Xianyi; Meng, Xiangguang; Liu, Congliang; Zhao, Danyang; Wang, Yingqiang; Wang, Dongwei; Wu, Chunjun; Cai, Yuerong; 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1067-1070
语种英语
ISSN号2153-6996
ISBN号978-1-5386-7150-4
摘要Since Global Navigation Satellite System (GNSS) signals were not designed for remote sensing, GNSS Reflection (GNSS-R) signals from the earth surface are so weak, especially for space borne GNSS-R receiver cases, which limits its application for earth surface remote sensing. To achieve stronger GNSS-R signals, this thesis analyzed the effect of GNSS Left-Hand Circularly Polarized (LHCP) antenna's central beam direction on the ocean reflected signals' SNR around Specular utilizing GREEPS simulator. It was found that the available maximum SNR and the corresponding incident angle was varied when the LHCP's central beam direction was different. The greatest maximum SNR was available when central beam direction's nadir offpointing was 26 degrees and the corresponding incident angle was 32 degrees. The added SNR compared with the case with central beam direction's nadir off-pointing being 0 degrees and the corresponding incident angle being 4 degrees was more than 3 dB.
关键词GNSS-R central beam direction SNR GNOS II GREEPS
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/122/6689
专题空间环境部
推荐引用方式
GB/T 7714
Xia, Junming,Bai, Weihua,Wu, Xuerui,et al. EFFECT OF LHCP ANTENNA'S CENTRAL BEAM DIRECTION ON DDM'S SNR AROUND SPECULAR[C],2018:1067-1070.
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