中国科技论文在线
一种新型 VHF/UHF 频段超宽带天线设计
刘咸阳,文舸一,王身云**
(南京信息工程大学应用电磁学研究中心,南京 210044)
5 摘要:本文设计了一款工作在 VHF/UHF 频段的超宽带天线。天线在传统盘锥天线结构基础
上进行改进,通过引入寄生圆环结构,短路柱结构,以及使用电阻加载方法,实现了天线反
射系数在 30MHz-600MHz 宽频带内小于-10dB。天线优化尺寸为 120cm×120cm×30cm,相对
于其工作频率,具有剖面低和尺寸小的特点。仿真和实测结果表明,该天线在工作频带范围
10 内具有较好全向辐射性以及较高的增益。
关键词:超宽带天线;寄生圆环;短路柱;电阻加载;低剖面
中图分类号:TN827
Design of a new type of ultra-wideband antenna for
15 VHF/UHF bands
Liu Xianyang, Wen Geyi, Wang Shenyun
(Research Center of Applied Electromagnetic of Nanjing University of Information Science and
Technology, Nanjing 210044)
Abstract: This paper presents an ultra wideband antenna operating in the VHF/UHF bands. The
20 antenna is based on the traditional disk cone structure. By introducing parasitic ring, short pins,
and resistance loadings, the antenna has achieved good match in the frequency range from 30MHz
to 600MHz. The optimized size of the antenna is 120cm×120cm×30cm, which ha
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