In-Band RCS Reduction and Gain Enhancement of a Dual-Band PRMS-Antenna

In-Band RCS Reduction and Gain Enhancement of a Dual-Band PRMS-Antenna
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双频带 PRMS 天线的带内 RCS 降低和增益增强

DOI:
10.1109/lawp.2017.2740421
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发表时间:
2017-08
影响因子:
4.2
通讯作者:
Zhou YL
Zhou YL
中科院分区:
计算机科学2区
文献类型:
--
作者:
Zhou Yulong;Cao Xiangyu;Gao Jun;Li Sijia;Zlieng Yuejun;Zhou YL

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本文设计并分析了一种具有带内雷达散射截面(RCS)减小和增益增强功能的新型双波段极化旋转超颖表面(PRMS)天线。双频段PRMS天线由一个缝隙贴片辐射和PRMS配置周围的带内RCS削减补丁。通过辐射贴片与PRMS之间的强耦合实现增益增强,通过反射极化波的相位抵消实现带内RCS减缩。仿真结果表明,在5.2 GHz和10.4 GHz下,该天线的增益分别提高到7.9和6.3 dBi。同时,双频6 dB RCS的减少是从5.2到5.4 GHz和从10.1到11.4 GHz,覆盖的工作频带的建议天线。测量结果与模拟结果吻合良好。
In this letter, a novel dual-band polarization rotation metasurface (PRMS) antenna with in-band radar cross section (RCS) reduction and gain enhancement is designed and analyzed. The dual-band PRMS-antenna consists of a slot patch for radiation and a PRMS configuration surrounding the patch for in-band RCS reduction. The gain enhancement is achieved by strong coupling between radiation patch and PRMS, and the in-band RCS reduction is realized by the phase cancellation of reflected polarized waves. The simulated results indicate that the boresight gain of the proposed PRMS-antenna is enhanced to 7.9 and 6.3 dBi at 5.2 and 10.4 GHz, respectively. Meanwhile, the dual-band 6 dB RCS reduction is from 5.2 to 5.4 GHz and from 10.1 to 11.4 GHz, covering the operation band of the proposed antenna. The measurements agreed well with the simulations.
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