| 切比雪夫馈电网络开口谐振环天线阵列 |
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| 引用本文： | 范银玲,卢萍,黄卡玛.切比雪夫馈电网络开口谐振环天线阵列[J].强激光与粒子束,2023,35(5):053002-1-053002-6. |
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| 作者姓名： | 范银玲 卢萍 黄卡玛 |
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| 作者单位： | 四川大学 电子信息学院，成都 610065 |
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| 基金项目： | 国家自然科学基金青年科学基金项目(51907130) |
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| 摘 要： | 提出了一种基于切比雪夫馈电网络的13×14开口谐振环天线阵列。该天线阵列由天线单元和切比雪夫馈电网络组成。根据八木天线原理，该天线阵列设计的辐射贴片作为天线单元的引向器，金属地面作为反射器；辐射贴片由开口谐振环结构以及I型谐振结构组成，增强天线单元的辐射能力并提高增益；天线单元的馈电端由圆弧单极子组成，提高调节天线单元阻抗匹配的灵活性；电流矩阵指导非均匀电流分布切比雪夫馈电网络的设计，减小天线阵列的旁瓣；天线单元竖直插入馈电网络的基板，减少带有馈电网络阵列的口径大小。通过实物加工后，测试结果表明，该天线阵列在工作频率点10.1 GHz处实现了22.3 dBi的增益，E面和H面旁瓣电平分别为-16 dB和-17.66 dB，具有高增益、低副瓣的特点。
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| 关 键 词： | 切比雪夫平面阵 开口谐振环 高增益 低旁瓣电平 |
| 收稿时间： | 2022-11-29 |
A planar split ring resonator antenna array fed by Chebyshev network |
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| Affiliation: | College of Electronics and Information Engineering, Sichuan University, Chengdu 610065, China |
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| Abstract: | A 13×14 planar split ring resonator (SRR) antenna array with the Chebyshev feed network is proposed. This antenna array consists of antenna elements and a Chebyshev feed network. Based on the principle of the Yagi antenna, the radiating patch is designed as an antenna element of the director with the metal ground being the reflector. The radiating patch is composed of three SRRs, an I-shaped resonator and two circular monopoles to enhance the radiation capability of the antenna element and improves the antenna gain. The feed of the antenna element is composed of arc monopoles, which improves the flexibility of adjusting the impedance matching. Furthermore, the calculation of the current matrix is used to guide the design of the Chebyshev feed network, and the non-uniform current distribution is used to reduce the side lobes. Moreover, the antenna element substrate is vertically erected on the substrate of the feed network to reduce the aperture size of the array with the feed network. Finally, the antenna array achieves a high gain of 22.3 dBi and low sidelobe level of ?16 dB and ?17.66 dB in E-plane and H-respectively. |
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