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小型化微带缝隙可重构天线
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(自然科学版), 2007, 34(4): 562-565
作者姓名:魏文博  尹应增  郭景丽  刘其中
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)
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.

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
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
Authors:WEI Wen-bo  YIN Ying-zeng  GUO Jing-li  LIU Qi-zhong
Affiliation:(Key Lab. of Antennas and Microwave Technology, Xidian Univ., Xi′an 710071, China) ;
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.
Keywords:frequency reconfigurable antenna  microstrip slot antenna  PIN diode switch
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