Reflector antenna design in different frequencies using frequency selective surfaces

Q2 Engineering

Telkomnika (Telecommunication Computing Electronics and Control) Pub Date : 2023-10-01 DOI:10.12928/telkomnika.v21i5.25016

Shahir Fleyeh Nawaf, Lujain S. Abdulla, Abdulmutalib A-Wahab Husein

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引用次数: 0

Abstract

In this study, it is aimed to obtain two different asymmetric radiation patterns obtained from antennas in the shape of the cross-section of a parabolic reflector (fan blade type antennas) and antennas with cosecant-square radiation characteristics at two different frequencies from a single antenna. For this purpose, firstly, a fan blade type antenna design will be made, and then the reflective surface of this antenna will be completed to the shape of the reflective surface of the antenna with the cosecant-square radiation characteristic with the frequency selective surface designed to provide the characteristics suitable for the purpose. The frequency selective surface designed and it provides the perfect transmission as possible at 4 GHz operating frequency, while it will act as a band-quenching filter for electromagnetic waves at 5 GHz operating frequency and will be a reflective surface. Thanks to this frequency selective surface to be used as a reflective surface in the antenna, a fan blade type radiation characteristic at 4 GHz operating frequency will be obtained, while a cosecant-square radiation characteristic at 5 GHz operating frequency will be obtained .

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利用频率选择曲面设计不同频率的反射天线

本研究旨在获得抛物面反射面截面形状的天线(风扇叶片型天线)和具有余割平方辐射特性的天线在同一天线两个不同频率下的两种不同的非对称辐射方向图。为此，首先对风扇叶片型天线进行设计，然后将该天线的反射面完成为具有余割平方辐射特性的天线反射面形状，并设计频率选择面以提供适合该目的的特性。频率选择表面设计，在4 GHz工作频率下提供尽可能完美的传输，而在5 GHz工作频率下，它将作为电磁波的带猝灭滤波器，并将是一个反射表面。由于该频率选择面在天线中用作反射面，将获得4 GHz工作频率下的风扇叶片型辐射特性，而获得5 GHz工作频率下的余割平方辐射特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Telkomnika (Telecommunication Computing Electronics and Control) Engineering-Electrical and Electronic Engineering

CiteScore

4.00

自引率

0.00%

发文量

158

期刊介绍： TELKOMNIKA (Telecommunication Computing Electronics and Control) is a peer reviewed International Journal in English published four issues per year (March, June, September and December). The aim of TELKOMNIKA is to publish high-quality articles dedicated to all aspects of the latest outstanding developments in the field of electrical engineering. Its scope encompasses the engineering of signal processing, electrical (power), electronics, instrumentation & control, telecommunication, computing and informatics which covers, but not limited to, the following scope: Signal Processing[...] Electronics[...] Electrical[...] Telecommunication[...] Instrumentation & Control[...] Computing and Informatics[...]