On the Design of a Hybrid-Chebyshev Collinear Folded Dipole Antenna Array

Z. Zaharis, E. Vafiadis, J. N. Sahalos

Research output: Contribution to journalArticle

Abstract

The arrangement of a Mast-mounted folded dipole antenna array with corner reflectors is considered. The method of moments (MoM) in a wire grid model is used and a suitable optimization procedure is applied Due to the constraints for high power gain and low SLL the array is designed as a simple broadside Chebyshev one. The presence of 120° corner reflectors change the pattern and makes the array to be a Hybrid-Chebyshev one with approximately the same SLL. The distance of the array from the corner of the reflector is critical for the HPBW. Two different types of antennas with 60° and 120° HPBW in the horizontal plane for possible mobile applications are studied.The whole design work is given in a general form, useful for VHF and UHF communication applications. To ensure the accuracy, two different wire grids for each model are used. In the examples several interesting cases will be analytically presented.

Original languageEnglish
Pages (from-to)495-506
Number of pages12
JournalElectromagnetics
Volume18
Issue number5
DOIs
Publication statusPublished - 1998
Externally publishedYes

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