用于无线电力传输的ISM频段2.45 GHz高增益宽带圆极化印刷天线阵列的实验研究

IF 2.7 Q2 MULTIDISCIPLINARY SCIENCES

Scientific African Pub Date : 2025-03-01 DOI:10.1016/j.sciaf.2025.e02619

Walid En-naghma , Mohamed Latrach , Hanan Halaq , Abdelghani El Ougli

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引用次数: 0

摘要

本文对增强型宽带圆极化印刷天线阵列进行了设计、分析、制作和讨论。提出的CPPAA结构印刷在阻燃（FR-4）材料上，作为商用基板。采用CST MWS （Computer Simulation Technology Microwave Studio）和HFSS （High-Frequency structure Simulator）两种软件对CPPAA结构进行仿真。这两个求解器背后的主要目标是证明该CPPAA的有效性。然后，通过PNA-X网络分析仪制作并进行实验测量。所设计的CPPAA工作在2.45 GHz，测量增益值为7.80 dBi，测量带宽为290 MHz，约2.45 GHz (2.2844 GHz至2.5744 GHz)，测量效率约为80.83%。制作的样机的驻波比不超过1.5的要求。所建议的CPPAA设计可以适用于能量收集和无线电力传输应用，特别是在整流天线系统建设中。

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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An experimental study of a high-gain, wideband circularly polarized printed antenna array at 2.45 GHz in the ISM band for wireless power transmission applications

An enhanced wideband circularly polarized printed antenna array (CPPAA) is designed, analyzed, fabricated, and discussed in this paper. The proposed CPPAA structure is printed on a Flame Retardant (FR-4) material as a commercially available substrate. This CPPAA structure is simulated using two software which are CST MWS (Computer Simulation Technology Microwave Studio), and HFSS (High-Frequency Structure Simulator). The main goal behind these two solvers is to prove the effectiveness of this CPPAA. Then, it was fabricated and experimentally measured via the PNA-X Network Analyzer. The presented CPPAA operates at 2.45 GHz with the measured gain values of 7.80 dBi, the measured bandwidth is 290 MHz around 2.45 GHz (from 2.2844 GHz to 2.5744 GHz), and the measured efficiency is about 80.83 %. The VSWR of the fabricated prototype does not exceed the need of 1.5. The suggested CPPAA design can be suitable for energy harvesting and wireless power transmission applications, especially in rectenna systems construction.

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