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一种新型的具有带阻特性的超宽带微带天线 被引量：8

Novel UWB microstrip antenna with band-notched characteristics
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摘要 设计制作了一种新型的具有带阻特性的超宽带微带天线。天线采用50Ω共面波导馈电结构,辐射单元采用圆形金属贴片,在圆形贴片上开一个倒U形槽,实现了天线的带阻特性。测试结果表明:在频率段2.8-12.0 GHz内(除5.00-5.95 GHz外)天线驻波比小于2,且天线具有近似全向辐射的特性;而天线在频率段5.00-5.95 GHz内形成了阻带,从而有效阻隔了WLAN(5.150-5.825 GHz)频率段。该天线具有尺寸小,易于与微波电路集成等优点,可以用于超宽带系统。 A novel UWB microstrip antenna with band-notched characteristics was designed and manufactured. This antenna was fed by a 50 Ω CPW and used a circular patch as the radiation element. By cutting an inverted U shaped slot in the circular patch, the band-notched characteristics of the antenna was realized. The measured results show that the antenna VSWR is below 2 between the frequency from 2.8 GHz to 12.0 GHz except the frequency from 5.00 GHz to 5.95 GHz, and has about omnidirectional radiation patterns; while the antenna has the notch band between the frequency from 5.00 GHz to 5.95 GHz, so it effectively eliminates the 5.150--5.825 GHz WLAN range. The antenna is suitable for applications in UWB systems.
作者 吴家国 周晓明
机构地区 华南理工大学理学院
出处 《电子元件与材料》 CAS CSCD 北大核心 2012年第10期34-36,共3页 Electronic Components And Materials
基金 国家自然科学基金资助项目(No.60971052)
关键词 超宽带微带天线 共面波导 U形槽 阻带 WLAN UWB microstrip antenna coplanar waveguide U shaped slot notch band WLAN
分类号 TN822 [电子电信—信息与通信工程]
  • 相关文献

参考文献9

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二级参考文献11

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共引文献11

同被引文献58

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引证文献8

二级引证文献17

电子元件与材料
2012年 第10期

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