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一种小型超宽带平面倒锥形单极子天线 被引量:1

A miniaturized ultra-wideband printed PICA-like monopole antenna
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摘要 提出了一种小型超宽带平面倒锥形单极子天线。采用微带线对倒锥形辐射贴片进行馈电,背面采用相似形缺陷地结构窗口。天线总体尺寸为25 mm ×23 mm ×1.6 mm,较之前同类天线尺寸缩小了约33%。采用仿真软件分析了该天线的阻抗带宽、辐射方向图及增益特性。经优化后,该天线10 dB回波损耗带宽为3~11 GHz,阻抗带宽达到114%,覆盖了整个UWB频段。天线在整个频带内增益为3~4 dB。 A miniaturized ultra-wideband(UWB)printed PICA(planar inverted cone antenna)-like monopole antenna is presented. The radiating element of this antenna is made up of PICA-like patch which is fed by microstrip line. The window of the defected ground structure(DGS) is etched on the ground plane. The antenna has a small overall size of 25 mm × 23 mm × 1.6 mm. Compared with the previous antenna,the size was decreased by about 33%. The impedance bandwidth,radiation pat-terns and gain characteristic of the antenna were analyzed and optimized The results show that the 10 dB return-loss bandwidth is from 3 GHz to 11 GHz and the relative impedance bandwidth is about 114%,which covers up the total UWB frequency band. The consistent gain in the total frequency band is 3-4 dB.
出处 《现代电子技术》 2013年第21期93-95,共3页 Modern Electronics Technique
关键词 小型化天线 超宽带 倒锥形天线 单极子天线 miniaturized antenna ultra-wideband P/CA-like antenna monopole antenna
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参考文献9

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共引文献9

同被引文献15

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