摘要
设计了一种宽带微带贴片八木天线。通过采用正方形贴片形状、附加寄生贴片等方法,获得了较大的相对阻抗带宽和较好的方向性。该天线工作频率为12 GHz,三维电磁仿真软件Ansoft HFSS仿真结果表明:这种改进型天线在其它参数不变的情况下,其相对阻抗带宽达到27.5%(VSWR≤2),实现了天线频带的超宽性,满足了某项目中无线通信设备的需要。
A broadband microstrip patch Yagi antenna is presented in this paper. It can achieve a greate relative impedance bandwidth and good pattern by using square patch and adding parasitic patch. The operational frequency is 12 GHz. Ansoft HFSS simulation results indicate that this modified antenna can achieve 27.5% （VSWR≤ 2） relative impedance bandwidth on condition that other parameters are the same. The ultra- wideband property of the antenna bandwidth is realized and the anterma meets the requirement of the wireless communication equipment in a project.
出处
《电讯技术》
北大核心
2011年第10期104-108,共5页
Telecommunication Engineering
基金
广西回国基金项目(桂科回0991021)~~
关键词
微带天线
贴片八木天线
高增益
宽频带
寄生贴片
microstrip antenna
patch Yagi antenna
high gain
broadband
parasitic patch
