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A Low-Profile Dual-Polarized Crossed Dipole Antenna on AMC Surface

机译:在AMC表面上的低调双极化交叉偶极天线

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摘要

A low-profile dual-polarized crossed dipole antenna on artificial magnetic conductor (AMC) surface is presented in this paper. The antenna consists of two orthogonal dipoles, a periodic arrangement of artificial magnetic conductors and a ground floor. The antenna has a section height of only 13mm (0.13 lambda(0), lambda(0) is the wavelength in free space at 3 GHz). With utilizing the 6x6 unit cell of square patch based AMC, the antenna can achieve a wide band. To verify this design, a prototype of this antenna is designed, fabricated and measured. Measured results exhibit that bandwidth from 2.9 GHz to 3.32 GHz (S11-10dB) for one port and from 2.995 GHz to 3.47 GHz (S22-10dB) for another port are obtained, respectively. Meanwhile, the isolation between two ports is less than -30 dB, and stable radiation patterns are realized in operating frequency band.
机译:本文提出了人造磁导体(AMC)表面上的低调双极化交叉偶极天线。天线由两个正交偶极子组成,人造磁导体的周期性排列和地板。天线的截面高度仅为13mm(0.13λ(0),Lambda(0)是3GHz的自由空间中的波长)。利用基于方形贴片的6x6单元电池的AMC,天线可以实现宽带。为了验证这种设计,设计,制造和测量该天线的原型。测量结果分别表现出一个端口的2.9 GHz至3.32 GHz(S11 <-10dB)的带宽,并分别获得2.995GHz至3.47GHz(S22 <-10dB)的另一端口。同时,两个端口之间的隔离小于-30dB,并且在工作频带中实现了稳定的辐射模式。

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