ABSTRACT

A slot array substrate integrated waveguide antenna is proposed by utilizing novel center inclined slots with non-uniform spaces for imparting feeding advantages of standing and traveling waves. This 1 × 8 array antenna introduces a 13.2 dB gain at center frequency of 59.9 GHz with −10 dB return loss from 58.9 GHz to 60.9 GHz (roughly 2 GHz) and cross-polarization levels more than 45 and 20 dB in E and H planes, respectively. The occupied volume of the antenna is 33 × 4.5 × 0.8 mm³ that shows its compactness. The analyses have been performed by two full-wave numerical electromagnetic simulator packages, namely ANSYS HFSS and CST MWS which the former collaborated with finite element method and the latter with finite integration technique. The simulation results show good coincidences between these two methods and it validates the design of proposed structure.

摘要

提出了一种缝隙阵列基板集成波导天线，利用具有非均匀空间的新型中心倾斜缝隙来赋予驻波和行波的馈电优势。这种 1 × 8 阵列天线在 59.9 GHz 的中心频率处引入了 13.2 dB 的增益，在 58.9 GHz 至 60.9 GHz（大约 2 GHz）范围内具有 −10 dB 的回波损耗，并且在 E 和 H 平面中的交叉极化水平超过 45 和 20 dB ， 分别。天线占用体积为 33 × 4.5 × 0.8 mm ³这表明它的紧凑性。分析是通过两个全波数值电磁模拟器软件包进行的，即 ANSYS HFSS 和 CST MWS，前者与有限元方法合作，后者与有限积分技术合作。仿真结果表明这两种方法具有良好的一致性，并验证了所提出结构的设计。