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首页> 外文会议>2014 IEEE MTT-S International Microwave and RF Conference, Collocated with Intemational Symposium on Microwaves >Design of metamaterial based structure for the radar cross section reduction of a microstrip antenna
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Design of metamaterial based structure for the radar cross section reduction of a microstrip antenna

机译：基于超材料的微带天线雷达截面减小结构设计

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摘要

In this paper, a novel metamaterial absorber working in the C band frequency range has been proposed to reduce the in-band Radar Cross Section (RCS) of a typical planar antenna. The absorber is first designed in the shape of a hexagonal ring structure having dipoles at the corresponding arms of the rings. The various geometrical parameters of the proposed metamaterial structure have first been optimized using the numerical simulator, and the structure is fabricated and tested. In the second step, the metamaterial absorber is loaded on a microstrip patch antenna working in the same frequency band as that of the metamaterial absorber to reduce the in-band Radar Cross Section (RCS) of the antenna. The prototype is simulated, fabricated and tested. The simulated results show the 99% absorption of the absorber at 6.35 GHz which is in accordance with the measured data. A close agreement between the simulated and the measured results shows that the proposed absorber can be used for the RCS reduction of the planar antenna in order to improve its in-band stealth performance.
机译：在本文中，已经提出了一种在C频段频率范围内工作的新型超材料吸收器，以减少典型平面天线的带内雷达横截面（RCS）。首先将吸收器设计为六边形的环形结构，在环的相应臂上具有偶极子。首先使用数值模拟器对拟议的超材料结构的各种几何参数进行了优化，然后对结构进行了制造和测试。在第二步中，将超材料吸收器加载到工作在与超材料吸收器相同频带的微带贴片天线上，以减小天线的带内雷达横截面（RCS）。原型经过仿真，制造和测试。仿真结果表明，在6.35 GHz处吸收器的99％吸收与测量数据一致。模拟结果和测量结果之间的密切一致性表明，所提出的吸收器可用于减少平面天线的RCS，以提高其带内隐身性能。

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