Circularly-Polarized DRA-Slot Hybrid Antenna for Dualband Applications

Y. Ding, K. Leung, K. Luk
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引用次数: 8

Abstract

A dielectric resonator antenna (DRA) is placed on top of an L-probe-fed slotted cavity to form a circularly polarized (CP) hybrid antenna. The zonal slot is perturbed to excite CP fields in the lower band, whereas the DRA located on top of the cavity is fed by an inclined slot to excite CP fields in the upper band. Ansoft HFSS was used to simulate the proposed configuration. The return loss, axial ratio and radiation pattern are presented.
双频应用的圆极化DRA-Slot混合天线
将介电谐振器天线(DRA)置于l探针馈电的开槽腔顶部,形成圆极化(CP)混合天线。区域槽受扰动激发下波段CP场,而位于空腔顶部的DRA由倾斜槽馈入激发上波段CP场。采用Ansoft HFSS对所提出的配置进行了仿真。给出了回波损耗、轴比和辐射方向图。
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