RCS Reduction of a Patch Array Antenna Based on Microstrip Resonators

RCS Reduction of a Patch Array Antenna Based on Microstrip Resonators
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基于微带谐振器的贴片阵列天线RCS降低

DOI:
10.1109/lawp.2014.2354341
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发表时间:
2015
影响因子:
4.2
通讯作者:
Shuxi Gong
Shuxi Gong
中科院分区:
计算机科学2区
文献类型:
--
作者:
Ying Liu;Hui Wang;Kun Li;Shuxi Gong

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微带谐振器用于减小贴片阵列天线的带内单站雷达散射截面(RCS)。参考贴片阵列天线的工作频率为4.5 GHz,与微带谐振器的天线设计在相同的频率。微带谐振器的谐振频率也是4.5GHz,使得它可以覆盖贴片阵列天线的工作频带。与没有微带谐振器的参考天线相比,仿真结果表明,该阵列天线的单站RCS在保持所需辐射特性的前提下,对于φ和θ极化入射波均能降低至少10 dB。在实现的原型上的测量结果与仿真结果吻合良好,证明了该方法的可靠性和上级性能。
Microstrip resonators are used for reducing the in-band monostatic radar cross section (RCS) of a patch array antenna. The reference patch array antenna works at 4.5 GHz, and the proposed antenna with microstrip resonators is designed at the same frequency. The resonant frequency of the microstrip resonators is also 4.5 GHz so that it can cover the operating band of the patch array antenna. Compared to the reference antenna, which does not have the microstrip resonators, the simulation results demonstrate that the monostatic RCS of the proposed array antenna can be reduced at least 10 dB for both phi- and theta-polarized incident waves while preserving the desired radiation characteristics. Measurements on realized prototypes show good agreement with the simulations and prove the reliability and superior performance of the proposed approach.
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