GNSS-R Wind-Dependent Polarimetric Signature Over the Ocean

被引：7
|
作者：
Schiavulli, Domenico [1 ]
Ghavidel, Ali [2 ]
Camps, Adriano [2 ]
Migliaccio, Maurizio [3 ]
机构：
[1] GET Observ Midi Pyrenees, CNRS, F-31400 Toulouse, France
[2] Univ Polytecn Catalunya, Dept Signal Theory & Commun, Barcelona Tech, Barcelona 08034, Spain
[3] Univ Napoli Parthenope, Dipartimento Ingn, I-80143 Naples, Italy
来源：
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2015年 / 12卷 / 12期
关键词：
Global Navigation Satellite System-Reflectometry (GNSS-R); ocean surface; polarimetry; remote sensing; SCATTERING;
D O I：
10.1109/LGRS.2015.2477685
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Global Navigation Satellite System-Reflectometry (GNSS-R) is a promising and innovative remote sensing technique. In this letter, an investigation on the polarimetric characteristics of GNSS-R signals is performed. The study is conducted by means of an ad hoc simulator based on a facet approach to approximate a 3-D time-domain generated sea surface. To best mimic a realistic configuration, the simulator uses both recorded GPS and Galileo signals as incident waves. The effect of the incoherent averaging in mitigating the speckle is shown. Finally, a relationship between the wind speed and the polarimetric ratio is analyzed.
引用
收藏
页码：2374 / 2378
页数：5
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