不同渐变方式的喇叭结构对电-磁振子组合型超宽带天线特性的影响
Influence of horn structure on electric-magnetic vibrator combined UWB antenna characteristic
-
摘要: 电-磁振子组合型超宽带（UWB）天线的物理结构包括3部分：天线的馈电系统、TEM喇叭辐射单元和电流环辐射单元。采用CST MICROWAVE STUDIO电磁场数值计算软件,对该组合型天线的结构与端口S参数和时域辐射特性的关系进行了分析。仿真结果表明：当TEM喇叭辐射单元和电流环辐射单元由3段金属板构成时，天线的端口S参数较小，主轴辐射功率较大，方向性较好。Abstract: The electric-magnetic vibrator combined ultrawideband antenna consist of three parts: feed-in system,TEM horn radiation unit and current loop radiation unit. Applying CST electromagnetic software, the relation between physical structure and port S parameter and the radiation characteristic in time domain of the electric-magnetic vibrator combined ultrawideband (UWB) antenna were investigated. The results indicate that when the TEM horn radiation unit and current loop radiation unit are divided three parts, the antenna has smaller port S parameter, larger power on main axis and it has better direction.
-
Key words:
- uwb antenna /
- electric-magnetic vibrator /
- antenna /
- s parameter /
- radiated characteristic /
- cst software
-
点击查看大图
计量
- 文章访问数: 2162
- HTML全文浏览量: 275
- PDF下载量: 416
- 被引次数: 0
下载:
