首页 >  1997, Vol. 1, Issue (2) : 94-100,163-166

摘要

全文摘要次数: 4486 全文下载次数: 25
引用本文:

DOI:

10.11834/jrs.19970203

收稿日期:

1997-01-08

修改日期:

1997-01-28

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航空双波段全极化SAR信息分析
中国科学院遥感应用研究所,北京100101
摘要:

GlobeSAR是一项有 12个国家参与的大型雷达遥感国际合作研究计划。该文系统叙述了GlobeSAR中国项目研究成果。进行了目标物雷达散射特性和极化特性的分析,双波段、全极化数据的处理分析方法研究,给出了该先进机载SAR在肇庆试验区农业、林业、地质、水文等方面的应用结果。

关键词:

航空  双波段  全极化  GlobeSAR
Multiple Applications of Airborne Dual-frequency, Fully-polarized SAR Data
Abstract:

GlobeSAR mission is an international cooperation program,there are twelve countries participated in the program.GlobeSAR data are the first and sole airborne,dual-frequency and fully-polarized SAR data sets of covering the Chinese territory.This paper systematically presents the study results of GlobeSAR program in China.The radar backscatter intensity visualization model has been proposed to study the backscatter behaviors of various targets.Rice and euryale ferox received more attention than other targets,their backscatter behaviors in relation to frequency and polarization,and polarimetric features and responses are carefully studied.The geometric and radiometric correction,speckle noise filtering,image registration are applied to the multifrequency,multipolarization GlobeSAR data sets.The assessment of classification accuracy for maximum likelihood,neural net,and texture information added neural net classifiers shows that the texture information added neural net classifers achieved the highest accuracy.GlobeSAR images discriminated eleven land cover types,two forest types.Finally,the GlobeSAR data application results in agriculture,forest,geology,hydrology and tourism planning are introduced.

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