LEO to GEO-SAR Interferences: Modelling and Performance Evaluation

被引：11

作者：

Leanza, Antonio ^{[1
]}

Manzoni, Marco ^{[1
]}

Monti-Guarnieri, Andrea ^{[1
]}

di Clemente, Marco ^{[2
]}

机构：

[1] Politecn Milan, Dipartimento Elettron Informaz & Bioingn, Piazza Leonardo da Vinci 32, I-20133 Milan, Italy

[2] Agenzia Spaziale Italiana, Via Politecn, I-00133 Rome, Italy

来源：

REMOTE SENSING | 2019年 / 11卷 / 14期

关键词：

geostationary SAR; synthetic aperture radar; radio frequency interference; bistatic scattering;

D O I：

10.3390/rs11141720

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper proposes a statistical model to evaluate the impact of the signal backscattered by low Earth orbiting (LEO) synthetic aperture radar (SAR) and received by GEO-stationary orbiting SAR. The model properly accounts for the bistatic backscatter, the number of LEO-SAR satellites and their duty cycles. The presence of many sun-synchronous, dawn-dusk satellites creates a 24 h periodic pattern in interference that should be considered in the acquisition plan of future geostationary SAR. The model, implemented by a numerical simulator, allows also the prediction of performance in future scenarios of many LEO-SAR. Examples and evaluations are made here for X band.

引用

页数：11

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