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Wideband characteristics of density tapered array antennas

Binh, N.T. and Dinh, N.Q. and Yamada, Y. (2021) Wideband characteristics of density tapered array antennas. International Journal of Electrical and Computer Engineering, 11 (2). pp. 1356-1366. ISSN 20888708

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Abstract

In this paper, wideband characteristics of density tapered arrays are clarified by comparing directly the array factors and radiation patterns of 3 tapered arrays structures with array factors and radiation patterns of equally spaced arrays. Calculated results for a density tapered distribution array consisting of 30 elements claims that the array can perform within a bandwidth of 2.5:1 with grating lobe levels lower than -7.8 dB. Additionally, this paper shows a method of determining the effectiveness of unequal spacing arrays in the design of actual antennas. This method is based on the calculation and analysis of input impedance of array elements caused by mutual coupling effects among array elements. © 2021 Institute of Advanced Engineering and Science. All rights reserved.

Item Type: Article
Divisions: Faculties > Faculty of Radio-Electronic Engineering
Identification Number: 10.11591/ijece.v11i2.pp1356-1366
Additional Information: Language of original document: English. All Open Access, Gold.
URI: http://eprints.lqdtu.edu.vn/id/eprint/8667

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