毫米波宽带波束赋形微带阵列天线设计
Design of a Millimeter-Wave Broadband Beamforming Microstrip Array Antenna
DOI: 10.12677/ja.2025.144007, PDF,   
作者: 倪文俊：中国电子科技集团公司第五十一研究所，上海
关键词: 毫米波；宽带；波束赋形；邻近耦合馈电；微带阵列；Millimeter-Wave； Broadband； Beamforming； Proximity Coupled Feed； Microstrip Array
摘要: 本文设计了一款毫米波宽带波束赋形微带阵列天线，采用非接触式邻近电磁耦合馈电技术，有效扩展天线阵工作带宽，通过合理设计串联馈电网络，优化单元结构与馈电位置，实现波束赋形所需的激励幅度与相位分布。测试结果表明，本文设计的16单元微带天线阵工作带宽为76 GHz~81 GHz，波束赋形性能良好，副瓣电平优于−18 dB。
Abstract: This paper presents a millimeter-wave broadband beamforming microstrip array antenna. By employing a non-contact proximity-coupled electromagnetic feeding technique, the operating bandwidth of the antenna array is effectively expanded. Through rational design of a series feeding network and optimization of the unit structure and feeding positions, the excitation amplitude and phase distribution required for beamforming are achieved. Test results demonstrate that the designed 16-element microstrip antenna array operates in the frequency band of 76~81 GHz, with excellent beamforming performance and a sidelobe level better than −18 dB.
文章引用：倪文俊. 毫米波宽带波束赋形微带阵列天线设计[J]. 天线学报, 2025, 14(4): 73-81. https://doi.org/10.12677/ja.2025.144007

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