容性加载馈电下小型方环微带天线的设计与实现
Journal of Military Communications Technology(2010)
Abstract
文章设计了一种容性加载馈电的小型方环微带天线.首先对容性加载馈电方式进行了研究,容性加载馈电可以较容易地实现细环微带天线的50 Ω阻抗匹配,进一步缩小了方环微带天线的尺寸.较为详细地对容性加载馈电方式进行了讨论,并给出了仿真和测试结果.最后实际制作了一副中心频率为1.97 GHz的小型方环微带天线,测试结果表明这种结构可有效缩小天线尺寸,在相同的工作频率下,尺寸比普通贴片天线缩小了32.2%.
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Key words
square-ring,microstrip antenna,miniaturization,disk-coupled
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