Polarimetric Characteristics of X-Band SAR Sea Clutter

被引：8
|
作者：
Stacy, N. J. S. [1 ]
Preiss, M. [1 ]
Crisp, D. [1 ]
机构：
[1] Def Sci & Technol Org, Intelligence Surveillance Reconnaissance Div, Edinburgh, SA 5111, Australia
来源：
2006 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-8 | 2006年
关键词：
polarimetric; synthetic aperture radar; X-Band; sea clutter;
D O I：
10.1109/IGARSS.2006.1030
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
The polarimetric characteristics of X-Band sea clutter are investigated using data from the DSTO Ingara airborne radar operating in a circular spotlight geometry. An analysis of the Doppler spectrum as a function of azimuth geometry with respect to the wind direction shows the difference in the surface velocity between the HH and VV scattering components reaches maxima in the upwind and down wind directions and the cross polarized HV channel has very similar Doppler characteristics to the VV channel. The Cloude-Pottier polarimetric decomposition parameters are in agreement with predominantly Bragg signal surface scattering with an additional HH sea spike component in the upwind direction.
引用
收藏
页码：4017 / 4020
页数：4
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