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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >Low-profile substrate integrated waveguide (SIW) cavity-backed self-triplexed slot antenna
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Low-profile substrate integrated waveguide (SIW) cavity-backed self-triplexed slot antenna

机译：薄型衬底集成波导（SIW）腔背自双工缝隙天线

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摘要

A low-profile self-triplexed slot antenna is proposed for multiple system integrations. The antenna comprises of hybrid substrate integrated waveguide (SIW) cavity (a combination of a half-mode circular and half-mode rectangular SIW), radiating slot, and feeding network. A slot is imprinted on the upper metal-layer of the SIW which splits the cavity into three radiating sections. It offers tri-frequency bands when each section is excited separately. By finely tuning the antenna dimensions, it produces three frequency-bands around 5.57, 7.17, and 7.65GHz simultaneously utilizes a single slot with maintaining the intrinsic input-port isolation better than 20dB. This property helps to introduce the self-triplexing phenomenon. Compared with the conventional multiband antennas that use an extra circuitry to ensure the port isolations, this design preserves compactness and easy to integrate with planar circuits Moreover, the proposed antenna is fabricated and the measured results mutually agreed with the simulated counterparts. The proposed design can be a feasible option for mobile transceiver applications.
机译：提出了一种用于多种系统集成的薄型自三工缝隙天线。该天线包括混合衬底集成波导（SIW）腔（半模圆形和半模矩形SIW的组合），辐射槽和馈电网络。在SIW的上部金属层上刻有一个槽，该槽将空腔分成三个辐射部分。当每个部分分别被激励时，它提供了三个频带。通过微调天线尺寸，它产生了大约5.57、7.17和7.65GHz的三个频带，同时利用单个时隙保持了固有的输入端口隔离度优于20dB。此属性有助于引入自激现象。与使用额外电路以确保端口隔离的常规多频带天线相比，该设计保留了紧凑性，并易于与平面电路集成。此外，该天线的制造工艺与实测结果与模拟对象完全一致。对于移动收发器应用，建议的设计可能是可行的选择。

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