基于半模基板集成波导的复合左/右扫频天线

2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT) Pub Date : 2016-06-05 DOI:10.1109/ICMMT.2016.7762366

Aixin Chen, Jiaheng Wang, Mengze Zhang

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引用次数: 2

摘要

所提出的漏波(LW)天线是采用半模衬底集成波导(HMSIW)技术构建的无源电路。通过在HMSIW表面蚀刻数字间槽作为电容元件，实现了一种平衡的左/右复合结构。该CRLH HMSIW漏波天线具有连续波束引导能力，从左手区-20°到右手区+15°。在22.5GHz的截止频率下，当天线工作在其特性截止频率以下/以上时，得到逆火/终火辐射，并在该平衡频率点上实现宽频辐射。给出了s参数和辐射参数。实测结果与模拟结果吻合较好。所提出的LW天线具有设计简单、制造成本低、波束导向能力强等优点，为实际应用提供了灵活性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Composite right/left-handed frequency-scanning antenna based on half mode substrate integrated waveguide

The proposed leaky-wave (LW) antenna is a passive circuit built using the half-mode substrate integrated waveguide (HMSIW) technology. By etching interdigital slots as capacitive components on the HMSIW surface, a balanced composite right/left-handed (CRLH) structure is realized. This CRLH HMSIW leaky-wave antenna has a continuous beam-steering capability from -20° in the left-handed region to +15° in the right-handed region. With the cutoff frequency of 22.5GHz, the backfire/endfire radiation is obtained when the antenna works below/above its characteristic cutoff frequency and the broadside radiation is achieved at this balancing frequency point. The S-parameters and radiation parameters are presented. Measured results are closely consistent with the simulation. The proposed LW antenna shows some desirable merits, such as the simplicity in design, low-cost fabrication, and beam-steering capability which provides flexibility for the real application.

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来源期刊

2016 IEEE International Conference on Microwave and Millimeter Wave Technology (ICMMT)

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