禹卫东1,2,
刘秀清1
1.中国科学院电子学研究所 北京 100190
2.中国科学院大学 北京 100049
详细信息
作者简介:王宇:女,1993年生,博士生,研究方向为极化与极化干涉合成孔径雷达技术研究
禹卫东:男,1969年生,博士生导师,研究方向为合成孔径雷达信号处理技术
刘秀清:女,1974年生,硕士生导师,研究方向为极化与极化信息处理
通讯作者:王宇 wangyu370705@163.com
中图分类号:TN958计量
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被引次数:0
出版历程
收稿日期:2019-02-25
修回日期:2019-04-23
网络出版日期:2019-04-29
刊出日期:2019-12-01
An Improved Four-component Decomposition Method Based on the Characteristic of Polarization and the Optimal Parameters of PolInSAR
Yu WANG1,2,,,Weidong YU1,2,
Xiuqing LIU1
1. Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China
2. University of Chinese Academy of Sciences, Beijing 100049, China
摘要
摘要:雷达目标的后向散射对目标姿态与雷达视线的相对几何关系十分敏感,同一目标相对于雷达视线的姿态不同时,散射特性十分不同。倾斜地表和倾斜建筑物等目标可能扭转后向散射回波的极化基,进而导致交叉极化分量过高,图像体散射成分过估计。该文针对图像体散射成分过估计的现象,提出一种基于极化特征参数(
关键词:极化干涉合成孔径雷达/
H/a分解/
极化干涉相似性参数/
四元素分解/
极化干涉最优相干参数
Abstract:The backscattering of the radar targets is sensitive to the relative geometry between orientations of the targets and the radar line of sight. When the orientations of the same target are different from the radar line of sight, the scattering characteristics are quite different. Targets such as inclined ground and inclined buildings may reverse the polarization base of the backscattered echo, which causes the cross-polarization component to be too high and the volume scattering component of the image is overestimated. In this paper, a polarimetric interferometric decomposition method based on polarimetric parameters (
Key words:Polarimetric SAR Interferometry (PolInSAR)/
H/α decomposition/
Polarimetric Interferometric Similarity Parameter (PISP)/
Four-component decomposition/
Optimal coherent parameters of polarization interference
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