具有陷波特性的小型超宽带天线的设计  

The design of a small ultra-wideband antenna with band notch function

作　　者：王秀红[1] 王东[1] 庞伟正[1] 

机构地区：[1]哈尔滨工程大学信息与通信工程学院,黑龙江哈尔滨150001

出　　处：《应用科技》2009年第2期25-27,30,共4页Applied Science and Technology

摘　　要：设计了一种具有陷波特性的共面波导馈电超宽带天线.天线大小为（25mm×26mm×0.64mm）,利用仿真软件CST对其进行了仿真,对天线的阻抗特性、方向图和增益进行了研究.结果显示,该天线在3.1GHz到大于20GHz的频带范围内VSWR〈2,其中在5.1～6.2GHz间具有陷波特性.该天线在整个工作频段内有良好的辐射方向特性.An elliptical coplanar waveguide （CPW）-fed slot UWB antenna with band notch function was proposed. The total size of the antenna was 25mm × 26mm × 0.64mm. It had been studied experimentally for its impedance bandwidth, radiation patterns and gain by using CST software. As can be seen, within the operation bandwidth from 3.1 GHz to more than 20GHz, the voltage stand wave ratio （VSWR） is lower than 2, in which a frequency notched band from 5.1GHz to 6.2 GHz has been achieved. Good radiation performance over the entire frequency range has also been achieved.

关 键 词：超宽带 共面波导 阻抗带宽 CST 

分 类 号：TN822.8[电子电信—信息与通信工程]