POLARIMETRIC MULTI-ANGULAR RADARSAT-2 DATA SENSITIVITY TO SURFACE PARAMETERS

被引：0

作者：

Wang, Hongquan ^{[1
]}

Allain, Sophie ^{[1
]}

Meric, Stephane ^{[1
]}

Pottier, Eric ^{[1
]}

机构：

[1] European Univ Brittany, Inst Elect & Telecommun Rennes IETR, SAPHIR Team, F-35042 Rennes, France

来源：

2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年

关键词：

Radarsat-2; bare surface; polarimetric SAR; multi-angular; sensitivity analysis; ROUGHNESS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The objective of this study is to evaluate the potential of C-band polarimetric multi-angular Radarsat-2 datasets to characterize soil moisture and surface roughness over bare agricultural fields. The polarimetric parameters derived from single angular and dual angular SAR data are examined to analyze the polarimetric sensitivities to bare surfaces. In the case of single angular analysis, the results show that smooth surfaces can be separated from medium rough as well as rough surfaces. Polarimetric parameters SRalpha1, rho hhvv have potentials to characterize soil moisture. In the case of dual angular analysis, the backscattering coefficient differences between two incidence angles Delta sigma in HH and VV polarization depend negatively on surface roughness and positively on soil moisture.

引用

页码：5125 / 5128

页数：4

共 6 条

[1]

Benabdallah S., 2012, IEEE T GEOSCI UNPUB

[2] BACKSCATTERING FROM A RANDOMLY ROUGH DIELECTRIC SURFACE [J].