Mitigation of Mutual Antenna Coupling Effects for Active Radar Targets in L-Band

被引：0
|
作者：
Buechner, Anna Maria [1 ]
Weidenhaupt, Klaus [1 ]
Gabler, Bernd [1 ]
Limbach, Markus [1 ]
Schwerdt, Marco [1 ]
机构：
[1] German Aerosp Ctr DLR, Microwaves & Radar Inst, Munchener Str 20, D-82234 Wessling, Germany
来源：
REMOTE SENSING | 2021年 / 13卷 / 22期
关键词：
L-band; fully polarimetric; antenna; antenna coupling; calibration; reference targets; transponder;
D O I：
10.3390/rs13224614
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In order to realize a compact L-band transponder design for the calibration of spaceborne synthetic aperture radar (SAR) systems, a novel antenna was developed by DLR. As with previous designs for different frequency bands, the future transponder is based on a two-antenna concept. This paper addresses the issue of antenna coupling between corrugated L-band horn antennas, which are operated in close proximity. The antenna coupling is analyzed via simulations and measurements by utilizing specifically defined coupling parameters. Additionally, improvements to further lower the mutual antenna coupling have been designed, tested, and are described in this paper.
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收藏
页数：11
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