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Azimuth High Resolution for a Conically Scanned Pencil-Beam Scatterometer Using Rotating Azimuth Doppler Discrimination
Wang, Gang; Dong, Xiaolong; Zhu, Di; Bao, Qingliu; Dong, Xiaolong (dongxiaolong@mirslab.cn)
Department微波遥感部
Source PublicationIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
2017
Volume10Issue:2Pages:572-579
ISSN1939-1404
Language英语
KeywordSnow Snow Melting Systems
AbstractIn order to satisfy a relatively high resolution for the retrieval of snow water equivalent, an X/Ku-band dual-frequency full-polarized SCATterometer (DFPSCAT) onboard Water Cycle Observation Mission (WCOM) satellite is designed for high-resolution observations. However, given the following situations, the method called 'rotating azimuth Doppler discrimination' is proposed, which can satisfy the resolution requirement and real-time processing: 1) the conically rotation rate of antenna is relatively fast; 2) the swath width is larger than 1000 km; and 3) day or night observation capabilities are required. Considering the complexity of the system's design and the improvement of azimuth resolution capability, a burst pulsing scheme is addressed to satisfy the numbers of azimuth sampling. The simulation model is used to analyze the feasibility of azimuth discrimination method based on geometry and system parameters. It is shown that the achievable azimuth resolution is about 2-5 km at far end of the swath and only 5km at near end of the swath. The results show that when the size of a slice is set as 2-5 km, the Kpcis about less than 0.4 as snow depth varies, and the Kpcof combined slices is smaller than a single slice. © 2008-2012 IEEE.
Indexed ByEI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5752
Collection微波遥感部
Corresponding AuthorDong, Xiaolong (dongxiaolong@mirslab.cn)
Recommended Citation
GB/T 7714
Wang, Gang,Dong, Xiaolong,Zhu, Di,et al. Azimuth High Resolution for a Conically Scanned Pencil-Beam Scatterometer Using Rotating Azimuth Doppler Discrimination[J]. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,2017,10(2):572-579.
APA Wang, Gang,Dong, Xiaolong,Zhu, Di,Bao, Qingliu,&Dong, Xiaolong .(2017).Azimuth High Resolution for a Conically Scanned Pencil-Beam Scatterometer Using Rotating Azimuth Doppler Discrimination.IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,10(2),572-579.
MLA Wang, Gang,et al."Azimuth High Resolution for a Conically Scanned Pencil-Beam Scatterometer Using Rotating Azimuth Doppler Discrimination".IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 10.2(2017):572-579.
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