| 小型化微带缝隙可重构天线 |
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| 引用本文： | 魏文博,尹应增,郭景丽,刘其中.小型化微带缝隙可重构天线[J].西安电子科技大学学报,2007,34(4):562-565. |
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| 作者姓名： | 魏文博 尹应增 郭景丽 刘其中 |
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| 作者单位： | (西安电子科技大学 天线与微波技术重点实验室，陕西 西安 710071) |
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| 摘 要： | 提出了一种小型化频率电调微带缝隙天线，通过在螺旋缝隙上加载PIN开关二极管，实现了良好的频率可调特性．谐振缝隙采用平面螺旋结构，天线结构更加紧凑，尺寸较传统直缝隙天线减小了40％．由于开关直接加载于辐射很弱的螺旋非辐射缝隙，天线电调特性对开关性能的敏感程度显著降低，更容易实现频率重构特性．
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| 关 键 词： | 频率可重构天线 微带缝隙天线 PIN开关二极管 |
| 文章编号： | 1001-2400（2007）04-0562-04 |
| 修稿时间： | 2007-01-05 |
Design of a miniaturized frequency reconfigurable microstrip slot antenna |
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| WEI Wen-bo,YIN Ying-zeng,GUO Jing-li,LIU Qi-zhong.Design of a miniaturized frequency reconfigurable microstrip slot antenna[J].Journal of Xidian University,2007,34(4):562-565. |
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| Authors: | WEI Wen-bo YIN Ying-zeng GUO Jing-li LIU Qi-zhong |
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| Affiliation: | (Key Lab. of Antennas and Microwave Technology, Xidian Univ., Xi′an 710071， China) ; |
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| Abstract: | A novel miniaturized microstrip slot antenna with tunable frequency is proposed.Due to adopting a plane spiral structure,the antenna configuration is more compact,and the size is reduced by approximately 40% compared with a conventional straight slot antenna.By Loading PIN diode switches on the spiral slot,the antenna achieves a good frequency tuning property.Because these switches are directly located on the non-radiation slot,the influence of switches on the frequency tuning property of the antenna is reduced obviously,and the frequency tuning property can be realized more easily. |
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| Keywords: | frequency reconfigurable antenna microstrip slot antenna PIN diode switch |
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