具有频率放大/缩小能力的紧凑型缝隙天线的带宽增强

IF 2.5 4区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC IETE Technical Review Pub Date : 2022-11-20 DOI:10.1080/02564602.2022.2144494

Sachin Agrawal, M. Parihar

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引用次数: 0

摘要

本文提出并研究了一种印刷宽带缝隙天线。天线几何结构包括一个45°旋转的方形槽和位于其中心的圆形寄生补丁。此外，槽在每个角上由四个矩形缺口组成。它使槽片和圆片的共振更接近，提高了带宽。该天线在2.24 ~ 7.91 GHz范围内实现了111.7%的测量阻抗带宽，方向图基本稳定。此外，还进行了一项全面的参数研究，以准备一套指南，以在不同频率范围内为特定的阻抗带宽(111.7%)放大或缩小天线。通过对一组不同频段天线的仿真，验证了该方法的频率标度特性。结果表明，所有被测天线的阻抗带宽几乎相等。

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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Bandwidth Enhancement of a Compact Slot Antenna with Frequency Scale Up/down Capability

In this paper, a printed wideband slot antenna is proposed and investigated. The antenna geometry consists of a 45° rotated square slot and a circular parasitic patch situated at its center. In addition, the slot consists of four rectangular notches at every corner. It brings close the resonances of both slot and circular patches and enhances bandwidth. The antenna achieved the measured impedance bandwidth of 111.7% from 2.24 to 7.91 GHz, with almost stable pattern. Furthermore, a comprehensive parametric study has been carried out to prepare a set of guidelines to scale up or down the antenna for a specified impedance bandwidth (111.7%) between different frequency ranges. The frequency scaling feature has been verified by simulating a set of antennas for different frequency bands. The result demonstrates that all antennas under test yield almost equal impedance bandwidth.

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来源期刊

IETE Technical Review 工程技术-电信学

CiteScore

5.70

自引率

4.20%

发文量

审稿时长

9 months

期刊介绍： IETE Technical Review is a world leading journal which publishes state-of-the-art review papers and in-depth tutorial papers on current and futuristic technologies in the area of electronics and telecommunications engineering. We also publish original research papers which demonstrate significant advances.