一种2.4GHz圆极化微带贴片天线的设计与实现  

Design and implementation of a 2.4GHz circularpolarized microstrip patch antenna

作　　者：任丽红[1] 王浩 Ren Lihong;Wang Hao(First Research Institute of the Ministry of Public Security,Beijing,100048)

机构地区：[1]公安部第一研究所,北京100048

出　　处：《电子测试》2020年第22期74-75,38,共3页Electronic Test

摘　　要：本文简要介绍了微带贴片天线的工作原理及圆极化技术,针对谐波探测雷达的使用需求,研究设计了中心频率为2.4GHz的圆极化微带贴片天线。天线采用方形贴片切角的单馈电法实现圆极化,结构简单、成本低、尺寸小。文中详细介绍了天线设计方案和数值仿真结果,并制作了天线实物测试验证其阻抗、方向图、增益等性能。This paper briefly introduces the working principle and circular polarization technology of microstrip patch antenna.According to the requirements of harmonic detection radar,a circularly polarized microstrip patch antenna with center frequency of 2.4GHz is designed.The circular polarizationantenna is realized by single feed method with square patch cutting,which has the advantages of simple structure,low cost and small size.In this paper,the antenna design scheme and numerical simulation results are introduced in detail,and the antenna is fabricated and tested to verify its performance of impedance,radiation pattern and gain.

关 键 词：微带天线 圆极化 单馈电法 贴片切角 

分 类 号：TN957.2[电子电信—信号与信息处理]