Characteristic Modes of Dipole Arrays

被引：10
|
作者：
Lonsky, Tomas [1 ]
Hazdra, Pavel [1 ]
Kracek, Jan [1 ]
机构：
[1] Czech Tech Univ, Dept Electromagnet Field, Fac Elect Engn, Prague 16627, Czech Republic
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2018年 / 17卷 / 06期
关键词：
Characteristic modes (CM); dipole array; mutual impedance; RADIATION;
D O I：
10.1109/LAWP.2018.2828986
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：
The theory of characteristic modes is used to analyze antenna arrays. In particular, to study arrays of thin-wire dipoles backed by an infinite electric ground plane. The proposed theory is based on an analytically prescribed current distribution on the dipoles where, when compared with the full method of moments solution, only a self- and mutual impedance matrix relating excitation currents and voltages of array elements is the subject for modal decomposition. Therefore, the impedance matrix of interest has dimension N x N, where N is number of the array elements resulting in an extremely fast approach. The results of the proposed method are validated by a full-wave simulator and show good agreement.
引用
收藏
页码：998 / 1001
页数：4
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