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首页> 外文期刊>International journal of RF and microwave computer-aided engineering >A compact monopolar patch antenna with bandwidthenhancement under dual-mode resonance
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A compact monopolar patch antenna with bandwidthenhancement under dual-mode resonance

机译：具有双模谐振下带宽增强的紧凑型单极贴片天线

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摘要

A compact monopolar microstrip patch antenna (MPA) with enhancedbandwidthis proposed. In order to achieve the miniaturized patch, the zerothordermode of the MPA instead of its higher-order modes is employed at firstby loading the shorting pin around the center of the patch. After that, a Lshapedmicrostrip line with a shorting pin is introduced at the periphery of thepatch radiator to excite an additional non-radiative mode for bandwidthenhancement. In final, the proposed MPA is fabricated and measured. Theresults illustrate that the antenna generates an enhanced-bandwidth of about4.1% ranging from 2.39 to 2.49 GHz, which is significantly larger than that ofthe traditional MPA around 1%. Meanwhile, the dimensions of the radiatingpatch are obviously decreased down due to the employment of zeroth-ordermode, which are kept as small as about 0.17 λ_0 × 0.22 λ_0 × 0.026 λ_0 (λ_0 is thefree-space wavelength).
机译：提出了一种具有增强带宽的紧凑型单极微带贴片天线（MPA）。为了实现小型化的贴片，首先通过在贴片的中心周围加载短路引脚来采用MPA的零阶模式而不是其高阶模式。之后，将带有短路针的L型微带线引入贴片辐射器的外围，以激发附加的非辐射模式以增强带宽。最后，拟定并测量了建议的MPA。结果表明，该天线在2.39至2.49 GHz范围内产生了约4.1％的增强带宽，该带宽明显大于传统MPA约1％的带宽。同时，由于采用了零阶模，辐射斑的尺寸明显减小，并保持在约0.17λ_0×0.22λ_0×0.026λ_0左右（λ_0是自由空间波长）。

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