蝶形六陷波超宽带天线设计与研究  

Design and research of butterfly UWB antenna with six band-notched characteristic

作　　者：梁青 王超 苏正东 熊伟 LIANG Qing;WANG Chao;SU Zhengdong;XIONG Wei(School of Electronic Engineering,Xi’an University of Posts and Telecommunications,Xi’an 710121,China;School of Science,Xijing University,Xi’an 710199,China)

机构地区：[1]西安邮电大学电子工程学院,陕西西安710121 [2]西京学院理学院,陕西西安710199

出　　处：《传感器与微系统》2021年第4期23-25,共3页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(61674122)。

摘　　要：为避免窄带信号对超宽带(UWB)系统的干扰,设计了一种蝶形六陷波超宽带天线。采用改进型地板结构来扩展带宽,通过在蝶形辐射贴片、微带馈电和地板上分别刻蚀U形和I形缝隙,以及在微带馈电两侧和地板上分别添加对称的L形窄带枝节和准开口谐振环(SRR)来实现天线六陷波特性。分析了天线陷波产生的原理,研究了天线部分尺寸参数对陷波的影响。通过仿真分析,该天线在2.8~11.4 GHz频段内,可有效抑制窄带系统的干扰,天线尺寸为32 mm×24 mm×1.6 mm,结构较为紧凑,可广泛应用在各种UWB通信系统。In order to avoid the interference of narrowband signals to ultra wideband(UWB)systems,a butterfly six band-notched UWB antenna is designed.Expanded bandwidth with improved floor structure,U-shaped slits and I-shaped slits are respectively etched on the butterfly radiation patch,the microstrip feed,and the floor,and adding symmetric L-shaped narrow-band branches and split resonant ring(SRR)on both sides of the microstrip feed and the floor to realize the antenna six notch characteristics.The principle of antenna notch generation is analyzed,and the influence of antenna size parameters on notch is studied.Through simulation analysis,the antenna can effectively suppress the interference of narrow-band systems in the frequency range of 2.8~11.4 GHz.The antenna size is 32 mm×24 mm×1.6 mm,and the structure is relatively compact.It can be widely used in various UWB communication systems.

关 键 词：六陷波 开口谐振环 U形缝隙 I形缝隙 L形枝节 

分 类 号：TN823[电子电信—信息与通信工程]