Assessing Reciprocity in Polarimetric SAR Data

被引：15

作者：

Aubry, Augusto ^{[1
]}

Carotenuto, Vincenzo ^{[2
]}

De Maio, Antonio ^{[1
]}

Pallotta, Luca ^{[2
]}

机构：

[1] Univ Napoli Federico II, Dipartimento Ingn Elett & Tecnol Informaz, I-80125 Naples, Italy

[2] Univ Napoli Federico II, CNIT, I-80125 Naples, Italy

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2020年 / 17卷 / 01期

关键词：

Covariance matrices; Scattering; Radar polarimetry; Polarimetric synthetic aperture radar; Antenna measurements; Covariance matrix; polarimetric synthetic aperture radar (SAR); reciprocity;

D O I：

10.1109/LGRS.2019.2915119

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：

This letter studies the conformity with the reciprocity theorem on the measured polarimetric synthetic aperture radar (SAR) data. The problem is formalized via a binary hypothesis test where the reciprocity assumption is tested versus its alternative (absence of reciprocity). The generalized likelihood ratio (GLR) is used as design criterion and the resulting decision rule ensures the constant false alarm rate (CFAR) property. At the analysis stage, the performance of the GLR statistic is analyzed on the simulated data as well as on two different measured data sets (collected by two systems) thus highlighting the effectiveness of the approach.

引用

页码：87 / 91

页数：5

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