| 一种新型超宽带平面单极天线的设计 |
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| 引用本文： | 施胜杰,郭辉萍.一种新型超宽带平面单极天线的设计[J].通信技术,2009,42(1):112-114. |
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| 作者姓名： | 施胜杰 郭辉萍 |
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| 作者单位： | 苏州大学电子信息学院,江苏,苏州,215021 |
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| 基金项目： | 苏州大学青年学术骨干教师基金 |
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| 摘 要： | 提出了一种新型超宽带平面单极子天线。该天线由一个倒置的月牙形金属贴片和一个槽口金属接地板构成，采用微带线对其进行馈电。通过数值仿真和实验测量，该平面结构的单极天线具有超宽带性能，实测天线的-10dB回波损耗的频率覆盖范围为3．2～1．8GHz，相对带宽达115％，阻抗带宽达到3．6倍频。且该天线体积小、结构简单、加工简便，适合应用于短程超宽带通信系统。
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| 关 键 词： | 平面天线 单板子天线 超宽带(UWB) |
Design of Novel Ultra-Wideband Planar Monopole Antenna |
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| SHI Sheng-jie,GUO Hui-ping.Design of Novel Ultra-Wideband Planar Monopole Antenna[J].Communications Technology,2009,42(1):112-114. |
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| Authors: | SHI Sheng-jie GUO Hui-ping |
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| Affiliation: | (School of Electronic and Information Engineering, Soochow University, Suzhou Jiangsu 215021, China) |
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| Abstract: | A novel ultra-wide band（UWB）planar monopole antenna with a inverted crescent metal patch and a notch metal ground plate is proposed. The proposed planar monopole antenna has an ultra-wide band, and is small in size and simple in structure, thus is easy to fabricate. Its measured -lOdB return loss bandwidth covers a frequency range between 3.2 GHz and 1 1.8 GHz. In other words ,the relative bandwidth is 115% and the ratio impedance bandwidth reaches 3.6：1. This type of antenna is suitable for short-distance UWB communications. |
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| Keywords: | planar antenna monopole antenna u]tra-wideband（UWB） |
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