Impedance synthesis of 2D antenna arrays of slotted spherical radiators

被引：0
|
作者：
Penkin Y.M. [1 ]
Katrich V.A. [1 ]
Nesterenko M.V. [1 ]
机构：
[1] Department of Radiophysics, Biomedical Electronics and Computer Systems, V. N. Karazin Kharkiv National University, 4, Svobody Sq., Kharkiv
来源：
Progress in Electromagnetics Research Letters | 2019年 / 81卷
关键词：
Spheres - Scanning antennas - Antenna arrays - Directional patterns (antenna) - Slot antennas;
D O I：
10.2528/PIERL18112105
中图分类号：
TE965 [热交换设备]; TB657.5 [热交换及其设备]; TH [机械、仪表工业]; TK [能源与动力工程];
学科分类号：
0802 ; 0807 ;
摘要：
An impedance synthesis problem of 2D antenna arrays consisting of slotted spherical radiators, whose geometric centers are located at nodes of a flat rectangular grid with double periodicity, has been solved. The problem is formulated as follows: to determine complex impedances distributed over surfaces of the spherical radiators which allows us to steer the radiation pattern (RP) of the antenna array to given directions. Analytical solution of the impedance synthesis problem (as an alternative to numerical solution) was obtained under the assumption that spherical radiators are excited by axially symmetric magnetic currents with equal amplitudes. The approach was verified by simulation of the five-element linear antenna array. The possibility of RP scanning in a wide range was confirmed by using the synthesized distributions of complex impedances. © 2019, Electromagnetics Academy. All rights reserved.
引用
收藏
页码：93 / 100
页数：7
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