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A Wideband Circularly Polarized Dielectric Resonator Antenna over A Metasurface

机译:宽带圆形偏振介质谐振器天线在元表面上

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A rectangular dielectric resonator antenna (DRA) is proposed over a metasurface for achieving wideband circularly polarized radiation. The antenna consists of a rectangular DR, a metasurface, and a coaxial probe. The metasurface-based ground plane has improved the 3-dB axial ratio bandwidth and gain of the rectangular DRA. This DRA over the metasurface, which consists of an array of “+” shaped unit cells, exhibits a wideband 3-dB axial ratio bandwidth of 19% (4.45 GHz-5.39 GHz) with less than 2-VSWR and a realized gain of more than 6.0 dBic across a frequency range from 4 GHz to 5. 25 GHz.
机译:在用于实现宽带圆极化辐射的质量表面上提出了矩形介质谐振器天线(DRA)。天线由矩形DR,元曲面和同轴探针组成。基于元表面的接地平面改善了3dB轴向比带宽和矩形DRA的增益。该DRA在METasurface上,由“+”形单元单元的阵列组成,宽带3-DB轴向比带宽为19%(4.45GHz-5.39 GHz),具有少于2-VSWR和更高的增益超过6.0 dbic频率范围为4 GHz到5. 25 GHz。

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