具有多阻带特性的超宽带天线研究与设计  

Research and design of UWB antenna with multiple band-notched characteristic

作　　者：郭世宇 华伟[1] 崔琳[1] 

机构地区：[1]四川大学电子信息学院,四川成都610065

出　　处：《现代电子技术》2015年第9期68-69,72,共3页Modern Electronics Technique

摘　　要：设计一种具有多阻带特性的平面超宽带天线，采用在辐射贴片开C型槽和H型槽的方法实现天线在WiMAX频段和WLAN频段的带阻抑制特性。U型槽孔产生高于10.6 GHz的高频阻带，同时馈线终端的阶梯结构实现了多频宽带的匹配。该天线在3.16~3.73 GHz，4.63~6.02 GHz以及高于10.6 GHz的超宽带频带内形成阻带，表明其在工作频带内有良好的抗干扰能力。此外，在天线的通带内有良好的全向特性，结果表明该设计方法的有效性。A planar ultra-wideband （UWB） antenna with multiple band-notched characteristic is designed. The band-notched characteristic in the frequency range of WiMAX and WLAN is achieved by etching the C-shaped and H-shaped slots on the radiated patch. High frequency band-notched which is higher than 10.6 GHz is generated by the U-shaped slot,and the matching of multi frequency wide-band is implemented by the staircase structure of the feeder terminal. The notched band is shaped within 3.16~3.73 GHz,4.63~6.02 GHz and above 10.6 GHz among the UWB frequency range of the antenna,it indi-cates that the antenna has good anti-interference ability in the working frequency range. Meanwhile,the design method proved by good omnidirectional character in pass-band of the antenna is effective.

关 键 词：超宽带天线 阻带特性 U型槽 阶梯结构 

分 类 号：TN822-34[电子电信—信息与通信工程]