具有带阻特性的超宽带天线研究  

Compact CPW-fed Antenna with Band-notched Characteristics for UWB Applications Analysis

作　　者：胡少文[1] 吴毅强[1] 张平平[1] 周辉林[1] 邓淼[1] 

机构地区：[1]南昌大学电子信息工程系,江西南昌330031

出　　处：《杭州电子科技大学学报（自然科学版）》2013年第6期13-16,共4页Journal of Hangzhou Dianzi University：Natural Sciences

基　　金：国家自然科学基金资助项目(61062009)

摘　　要：根据短距离无线电通信系统对超宽带天线的要求,提出了一种具有带阻特性的紧凑的超宽带天线。通过在辐射贴片上开两个L型槽来实现天线的带阻特性,仿真和实测结果表明,所设计的天线具有30 mm×30 mm尺寸大小,可实现天线频带宽度(S11≤-10 dB)3.5 12 GHz,相对带宽达110%,并实现了5.2 6.2 GHz的带阻特性,实验结果表明,该设计天线在工作频带范围内具有全向性,适用于超宽带系统的应用,而且最高增益达到了7.58 dB。A compact ultra-wideband（UWB） antenna with band-notched characteristics is designed according to the requirement of short distance communication for UWB antenna .By inserting two L-shaped slots into the patch to obtain a band-notched function , simulated and experimental results show that the proposed antenna , with compact size of 30 ＆#215;30mm2 , has impedance bandwidth of 3.5 GHz up to 12 GHz that means a relative bandwidth of 110%with a notched band from 5.2 to 6.2 GHz.Measured results confirm that the designed antenna demonstrates omnidirectional radiation patterns across almost the whole operating bandwidth , which is useful for UWB application , and the proposed antenna peak gain is 7.58 dB.

关 键 词：超宽带 共面波导 HFSS仿真 L型槽 

分 类 号：TN92[电子电信—通信与信息系统]