Vol. 81

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2019-01-22

Impedance Synthesis of 2D Antenna Arrays of Slotted Spherical Radiators

By Yuriy M. Penkin, Viktor A. Katrich, and Mikhail Nesterenko
Progress In Electromagnetics Research Letters, Vol. 81, 93-100, 2019
doi:10.2528/PIERL18112105

Abstract

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.

Citation


Yuriy M. Penkin, Viktor A. Katrich, and Mikhail Nesterenko, "Impedance Synthesis of 2D Antenna Arrays of Slotted Spherical Radiators," Progress In Electromagnetics Research Letters, Vol. 81, 93-100, 2019.
doi:10.2528/PIERL18112105
http://www.jpier.org/PIERL/pier.php?paper=18112105

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