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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Edge-radiating slot antenna based on half-mode substrate integrated waveguide
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Edge-radiating slot antenna based on half-mode substrate integrated waveguide

机译：基于半模基片集成波导的边缘辐射缝隙天线

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摘要

Lots of substrate integrated waveguide (SIW) slot antennas appear to satisfy the extensive and intensive growth of wireless communication systems. However, there were few reports about edge-radiating slot antenna based on SIW technology. In this study, a half-mode SIW (HMSIW) edge-radiating slot antenna is proposed for the first time by etching transversal slots both on the upper and lower surfaces of HMSIW. The radiation field of this antenna has been deduced from the field distribution of HMSIW. A 6-slot-pair antenna worked at 3.0 GHz with gain of 5.8 dBi is obtained by regulating the size and the number of slots. Through setting matching posts and a terminal load, the bandwidth can be expanded from 2 to 9.7%. The measured results show that the matching-type antenna has radiation efficiency about 0.59, beam directions ranging from 0° to 53° and gains within 5.0-7.5 dBi in 3.05-3.35 GHz. This antenna has advantages of low profile, easy fabrication, wide bandwidth and frequency-scanning property, which are great for microwave radar applications.
机译：许多衬底集成波导（SIW）缝隙天线似乎满足了无线通信系统的广泛而密集的增长。但是，关于基于SIW技术的边缘辐射缝隙天线的报道很少。在这项研究中，首次通过蚀刻HMSIW上下表面的横向缝隙，首次提出了半模SIW（HMSIW）边缘辐射缝隙天线。该天线的辐射场是根据HMSIW的场分布推导出来的。通过调节缝隙的大小和数量，可以获得工作在3.0 GHz且增益为5.8 dBi的6缝隙对天线。通过设置匹配的职位和终端负载，带宽可以从2扩大到9.7％。测量结果表明，匹配型天线的辐射效率约为0.59，波束方向范围为0°至53°，在3.05-3.35 GHz范围内增益在5.0-7.5 dBi之内。该天线的优点是外形小巧，易于制造，具有宽带宽和频率扫描特性，这对微波雷达应用非常有用。

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