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学科主题: Geosciences, Multidisciplinary
题名: Identification and removal of block ambiguities in sea surface wind field with scatterometers
作者: Chen, KH ; Xie, XT ; Fang, Y
通讯作者: xiexuetong@yahoo.com.cn
关键词: scatterometer ; block ambiguity ; identification and removal
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
发表日期: 2009
卷: 52, 期:2, 页:242-249
收录类别: sci
部门归属: [Chen KeHai] Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Chen KeHai] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Xie XueTong] Natl Univ Def Technol, Sch Elect Sci & Engn, Changsha 410073, Peoples R China; [Fang Yu] Peking Univ, Inst Remote Sensing, Beijing 100871, Peoples R China; [Fang Yu] Peking Univ, GIS, Beijing 100871, Peoples R China
项目归属: LED
摘要: The solution of the current wind retrieval algorithm for scatterometers has several wind vector ambiguities, due to the bi-harmonic relationship between normalized backscattering cross section and the relative wind direction and the existence of the measurement error. In order to remove the ambiguities for a unique wind field, a circular median filter approach (CMF) is usually adopted. But under the condition for clustering distribution of the false ambiguities in some local areas, the CMF fails and thus engenders block ambiguities, which degrade the precision of the retrieved wind field. For such a situation, a technique of identification and removal of the block ambiguities is presented to further optimize the retrieved wind field after CMF. It is demonstrated in experiment that this technique can identify and remove most of the block ambiguities.
原文出处: 查看原文
WOS记录号: WOS:000262684300010
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6151
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Chen, KH; Xie, XT; Fang, Y.Identification and removal of block ambiguities in sea surface wind field with scatterometers,SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2009,52(2):242-249
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文件名: Identification and removal of block ambiguities in sea surface wind field with scatterometers.pdf
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