紧凑SIW微带磁性八木天线

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP) Pub Date : 2015-07-01 DOI:10.1109/IMWS-AMP.2015.7324907

Zhao Zhang, Xiangyu Cao, Sijia Li, L. Cong

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引用次数: 3

摘要

采用衬底集成波导(SIW)设计了一种小型X波段微带磁性八木天线。SIW作为驱动元件产生垂直极化波，微带片通过镀通孔连接到地平面作为磁偶极子导向。在驱动元件和第一导向器之间插入耦合贴片以改善阻抗匹配。通过这种布置，可以得到垂直极化的八木磁天线，相对带宽达到16.84%。工作频段的峰值增益在7.26 ~ 8.98dBi之间。建议天线的总面积为1.58λ1×0.95λ1。通过数值模拟验证了辐射特性，实验结果与模拟结果吻合较好。

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Compact SIW microstrip magnetic Yagi antenna

A compact microstrip magnetic Yagi antenna in X band is designed using substrate integrated waveguide (SIW). The SIW works as driven element to generate vertically polarized wave and microstrip patches is connected to ground plane by plated through holes to work as magnetic dipole directors. A coupling patch is inserted between the driven element and the first director to improve impedance matching. With this arrangement, a magnetic Yagi antenna with vertical polarization is produced and the relative bandwidth reaches 16.84%. The peak gain is between 7.26dBi and 8.98dBi in the working band. Total area of the proposed antenna is 1.58λ1×0.95λ1. Numerical simulations are provided to demonstrate the radiation characteristics and experimental results show a good agreement with simulations.

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来源期刊

2015 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)

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