An Equivalent Magnetic Current Array Model for Analysis of UWB Omnidirectional Antenna

被引：0
|
作者：
Zhu, Bao-qi [1 ]
Lin, Shu [1 ]
Cui, Jing-xuan [1 ]
Zhang, Hong-jun [1 ]
机构：
[1] Harbin Inst Technol, Sch Elect & Informat Engn, Harbin, Peoples R China
来源：
2019 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP 2019) | 2019年
关键词：
Omnidirectional radiation pattern; UWB; dipole antenna; magnetic current array model;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a basic dipole antenna unit is designed to achieve stable UWB omnidirectional radiation through CST simulation.Antennas with different structures are obtained based on changing the number N of the antenna unit. The impedance bandwidth of several antennas presented in this paper all reach 70:1. Meantime, an equivalent magnetic current array theory model is also proposed to analyze the radiation mechanism of designed antennas. The proposed theory model is useful to study the condition when the out-of-roundness in H-plane pattern of the designed antenna is less than 3 dB. Calculation results of the presented magnetic current theory model are in good agreement with the simulation results, which show great value in guiding design of similar combined UWB omnidirectional antennas.
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页数：3
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