三层植被极化干涉建模及参数反演新方法研究

被引:2
作者
李廷伟
黄海风
梁甸农
朱炬波
机构
[1] 国防科技大学电子科学与工程学院
关键词
极化SAR干涉; 植被参数反演; 散射机理; 三阶段反演方法;
D O I
暂无
中图分类号
TN958 [雷达:按体制分];
学科分类号
080904 ; 0810 ; 081001 ; 081002 ; 081105 ; 0825 ;
摘要
两层植被结构模型是传统三阶段植被参数反演方法的基础,当实际植被结构为三层结构时,三阶段植被参数反演方法精度变差.针对该问题,建立了与三层植被结构模型对应的极化SAR干涉复相关系数模型,分析了传统三阶段植被参数反演方法精度变差的原因,提出了基于双基线极化SAR干涉的三层植被参数反演新方法,新方法充分考虑了三层植被干涉复相关系数的特征,比传统的三阶段植被参数反演方法更适合于三层植被结构,反演性能更好.实验结果验证了所建的复相关系数模型的正确性和反演新方法的优越性.
引用
收藏
页码:333 / 338
页数:6
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