【时间】2025年6月5日（周四）下午15：00 开始

【地点】线下讲座，9B406会议室

【主题】面向车载导航定位应用的双频宽轴比波束GPS贴片天线研究

【主讲人及介绍】

    钟增培，博士，现电信工程与智能化学院通信工程系讲师。分别于2016年、2021年获得深圳大学应用物理学专业学士学位、信息与通信工程专业博士学位。研究方向：面向低空经济的高性能智能化小型天线设计及应用。近年来，致力于高性能、小型化的导航圆极化天线研究，围绕双频/宽频、宽轴比波宽、增强前后比、小型化设计做了许多相关工作。主持/参与多项国家级、省部级以及横向项目，发表高水平SCI期刊和会议论文十余篇，授权国家发明专利6项。

【内容简介】

    A compact circularly polarized patch antenna with wide axial-ratio beamwidth (ARBW) operating at dual bands compatible for GPS satellite navigation application is proposed in this paper, The antenna consists of two stacked patches, which account for GPS L1 band (1575 ±2 MHz) and L2 band (1228 ± 2 MHz). To realize significant size miniaturization, four pillars are introduced and strongly coupled to the lower patch. To adjust the beamwidth response of the far-field components, the antenna is backed by a modified metallic cavity, which in turn widen the 3-dB ARBW at two operating bands effectively. Finally, the proposed design with excellent performance is realized in a size of 0.368λ0 (diameter)and 0.105λ0 (height). Simulated and measured results show that the ARBWs at L1 and L2 bands are as wide as 173° and 133° respectively. For practical application, its satisfactory GPS signal receiving capability is also verified by outdoor positioning test.

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