Super Realized Gain Antenna Array

IF 4.6 1区计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Antennas and Propagation Pub Date : 2024-08-07 DOI:10.1109/TAP.2024.3437218

Dónal Patrick Lynch;Manos M. Tentzeris;Vincent Fusco;Stylianos D. Asimonis

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引用次数: 0

Abstract

In this study, we introduce a novel antenna design method for superdirective antennas that combines low complexity with high radiation efficiency, while being impedance-matched to

$50~\Omega $

. We applied this approach to design, fabricate, and measure a superdirective antenna array (SDA) with a high realized antenna gain (i.e., 6.3 dBi) and radiation efficiency (i.e., 99.3%), consisting of two strip dipole elements operating at a frequency of 3.5 GHz. The fabricated antenna has an electrical size of 1.55, underscoring its compactness in addition to its high gain. Our approach is distinguished by its ability to achieve high directivity and radiation efficiency, along with impedance-matching to

$50~\Omega $

, through meticulous adjustments of the strip dimensions (i.e., length and width) and the phase difference between elements. This method eliminates the need for external impedance-matching networks, amplifiers, attenuators, parasitic elements, or loads, marking a significant advancement in the development of practical superdirective antenna designs.

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超级实现增益天线阵列

在本研究中，我们介绍了一种新型的超指向性天线设计方法，该方法兼具低复杂性和高辐射效率，同时阻抗匹配为 50~\Omega $。我们应用这种方法设计、制造并测量了一个超指向性天线阵列（SDA），该阵列由两个工作频率为 3.5 GHz 的条状偶极子元件组成，具有很高的天线增益（即 6.3 dBi）和辐射效率（即 99.3%）。制造出的天线电气尺寸为 1.55，除了高增益外，还突出了其紧凑性。我们的方法的显著特点是能够实现高指向性和高辐射效率，同时通过对条状尺寸（即长度和宽度）以及元件之间的相位差进行细致调整，使阻抗匹配达到 50~\Omega $。这种方法无需外部阻抗匹配网络、放大器、衰减器、寄生元件或负载，标志着在开发实用超指向性天线设计方面取得了重大进展。

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

IEEE Transactions on Antennas and Propagation 工程技术-电信学

CiteScore

10.40

自引率

28.10%

发文量

968

审稿时长

4.7 months

期刊介绍： IEEE Transactions on Antennas and Propagation includes theoretical and experimental advances in antennas, including design and development, and in the propagation of electromagnetic waves, including scattering, diffraction, and interaction with continuous media; and applications pertaining to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques

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