Design and Modelling of a Modified High Gain Printed Vivaldi Antenna for EMC Measurements

IF 1.9 4区计算机科学 Q3 TELECOMMUNICATIONS

Wireless Personal Communications Pub Date : 2024-08-19 DOI:10.1007/s11277-024-11519-z

Abdulghafor A. Abdulhameed, Falih M. Alnahwi, Zdeněk Kubík

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Abstract

This paper demonstrates the design, modeling, and analysis of a small size 180 × 165 × 1.6 mm³ printed broadband Vivaldi antenna for electromagnetic compatibility measurements. The proposed antenna is intended to be utilized as a reference antenna for emission and immunity tests inside the EMC Chamber through the band (0.8–5.5 GHz). Exponentially tapered slots were created based on mathematical equations to form an end-fire radiation antenna. Furthermore, microstrip and slot line stubs were employed to tune the impedance bandwidth. This antenna could be considered a 2-D Horn antenna with a size reduction of 64% and 67% since both antennas, Vivaldi and Horn are based on the same principle. Two rectangular slots were engraved near the feeding point to reshape and enhance the gain at lower frequency bands. Furthermore, the realized gain has been improved by approximately 3.5 dB and reached up to 10.7 dBi by introducing a pair of triangular reversal slots at the top edges of the structure. Moreover, this antenna has specifications that make it a suitable candidate to work as a reference antenna inside the EMC chamber compared to the classical Horn antenna offered for sale (PowerLOG^® PRO 30800 and TBMA4).

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用于电磁兼容测量的改良型高增益印刷维瓦尔第天线的设计与建模

本文展示了用于电磁兼容性测量的小尺寸 180 × 165 × 1.6 mm3 印刷宽带 Vivaldi 天线的设计、建模和分析。所提议的天线旨在用作电磁兼容性试验室内发射和抗扰度测试的参考天线，频段为 0.8-5.5 GHz。根据数学公式创建了指数锥形槽，以形成端射辐射天线。此外，还采用了微带和槽线存根来调整阻抗带宽。由于维瓦尔第天线和喇叭天线的原理相同，因此该天线可被视为二维喇叭天线，其尺寸分别缩小了 64% 和 67%。在馈电点附近雕刻了两个矩形槽，以调整形状并提高低频段的增益。此外，通过在结构顶部边缘引入一对三角形反向槽，实现的增益提高了约 3.5 dB，最高可达 10.7 dBi。此外，与市场上出售的传统喇叭天线（PowerLOG® PRO 30800 和 TBMA4）相比，该天线的规格使其成为电磁兼容室内部参考天线的合适候选产品。

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

Wireless Personal Communications 工程技术-电信学

CiteScore

5.80

自引率

9.10%

发文量

663

审稿时长

6.8 months

期刊介绍： The Journal on Mobile Communication and Computing ... Publishes tutorial, survey, and original research papers addressing mobile communications and computing; Investigates theoretical, engineering, and experimental aspects of radio communications, voice, data, images, and multimedia; Explores propagation, system models, speech and image coding, multiple access techniques, protocols, performance evaluation, radio local area networks, and networking and architectures, etc.; 98% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again. Wireless Personal Communications is an archival, peer reviewed, scientific and technical journal addressing mobile communications and computing. It investigates theoretical, engineering, and experimental aspects of radio communications, voice, data, images, and multimedia. A partial list of topics included in the journal is: propagation, system models, speech and image coding, multiple access techniques, protocols performance evaluation, radio local area networks, and networking and architectures. In addition to the above mentioned areas, the journal also accepts papers that deal with interdisciplinary aspects of wireless communications along with: big data and analytics, business and economy, society, and the environment. The journal features five principal types of papers: full technical papers, short papers, technical aspects of policy and standardization, letters offering new research thoughts and experimental ideas, and invited papers on important and emerging topics authored by renowned experts.