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首页> 外文会议>2017 IEEE Asia Pacific Microwave Conference >Design of modulated artificial magnetic conductor metasurfaces for RCS reduction of patch antenna
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Design of modulated artificial magnetic conductor metasurfaces for RCS reduction of patch antenna

机译：用于减少贴片天线RCS的调制人工磁导体超表面的设计

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摘要

A novel design procedure aimed at reducing the radar cross section (RCS) and gain enhancement of microstrip patch antenna has been proposed. Aperiodic Modulated AMC metasurface is designed in such a way that the reflected field from the modulated AMC metasurfaces is in out of phase (i.e 180 deg) in a certain range of frequencies causing the destructive interference in this range. The design procedure consists of a careful study and comparisons of two unit cells of modulated AMC, Modulation is realized by parameters a and ψ, which are designed for reduction in the Radar Cross Section (RCS). This design is aimed to reduce the amount of metal used on the substrate and to achieve better results than the conventional designs. The working frequency of our design is 10.5 GHz, which is covered in the working band of the proposed antenna. The simulated results show that the design with an antenna possesses remarkable reduction in RCS in the frequency range from 6 GHz to 14 GHz for both polarizations. Moreover, the performance of radiation pattern of the antenna is not interrupted much. The modulated AMC patch antenna is simulated and designed using HFSS v.16.
机译：提出了一种旨在减小雷达截面（RCS）和增强微带贴片天线增益的新颖设计程序。非周期性调制AMC超表面的设计方式是，在一定频率范围内，来自调制AMC超表面的反射场在一定频率范围内异相（即180度），从而造成该范围内的相消干扰。设计过程包括仔细研究和比较两个调制AMC的单位单元，通过参数a和ψ来实现调制，这些参数被设计用于减小雷达截面（RCS）。该设计旨在减少在基板上使用的金属量，并获得比常规设计更好的结果。我们设计的工作频率为10.5 GHz，在建议的天线的工作频段中已涵盖。仿真结果表明，使用天线的设计在两种极化的6 GHz至14 GHz频率范围内均具有显着的RCS降低。此外，天线的辐射方向图的性能不会受到很大干扰。使用HFSS v.16对经过调制的AMC贴片天线进行仿真和设计。

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