NSSC OpenIR  > 微波遥感部
WIND FIELD RETRIEVING UNDER RAINY CONDITIONS BASED ON SUPPORT VECTOR MACHINE FOR COMBINED ACTIVE/PASSIVE OBSERVATIONS OF HY-2A
Xu, Xingou; Dong, Xiaolong
Department微波遥感部
Source PublicationIGARSS 2018 - 2018 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM
2018
Pages1501-1503
Language英语
ISSN2153-6996
ISBN978-1-5386-7150-4
AbstractWind fields over ocean surface can be effectively retrieved by scatterometer measurements with GMFs (geophysical model functions) relating them and observing geometry with wind speeds. However, existed GMFs are not suitable for rainy conditions which require extra information for rain induced factors in observations that vary with rain conditions. The combined observations of scatterometer and radiometer are suitable for the problem. In this paper, this was realized by the method based on SVM (support vector machine) with kernel function established in this paper considering the form of existed GMFs. Experiments had been conducted over HY-2A scatterometer (HSCAT) and radiometer (HRAD) who give observations at almost the same time and operation frequencies suitable for this problem. The training progress was achieved by taken Windsat wind fields as true values. The method had been verified by comparison made between the wind fields retrieved with that of Buoy data. Discussion were made for further researches exploring the underlying physical progress of the SVM established.
Keywordwind field support vector machine kernel function scatterometer radiometer HY-2A
Conference Name38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 22-27, 2018
Conference PlaceValencia, SPAIN
Indexed ByCPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/6708
Collection微波遥感部
Recommended Citation
GB/T 7714
Xu, Xingou,Dong, Xiaolong. WIND FIELD RETRIEVING UNDER RAINY CONDITIONS BASED ON SUPPORT VECTOR MACHINE FOR COMBINED ACTIVE/PASSIVE OBSERVATIONS OF HY-2A[C],2018:1501-1503.
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