摘要
文章提出一种应用于 X 频段和 Ku 频段卫星无线通信的带有滤波效应的新型宽带圆极化天线。该结构包含一个驱动层(同时也是滤波层)以及一个堆叠层(同时也是圆极化层)。带通滤波响应中的两个辐射零点,是衬底集成波导(SIW)腔体支持的开口与嵌入式驱动贴片的综合效果。引入倒角贴片作为堆叠元件,具有同时实现圆极化和拓宽工作带宽的能力。使用多层印制电路板(PCB)工艺制作了一个尺寸为 0.8λ0×0.71λ0×0.16λ0 的紧凑原型进行演示。实验结果与仿真结果吻合良好,测量的 −10-dB 阻抗带宽和 3-dB 轴比带宽分别为10.83% 和 15.54%。此外,还获得了 8.9 dBic 的左旋圆极化峰值增益,大于 7 dBic 的带内平均左旋圆极化增益,以及良好的频率选择性。
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The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Yitong YAO designed the research, processed the data, and drafted the paper. Gang DONG advised on the design process and helped organize the paper. Zhangming ZHU and Yintang YANG revised and finalized the paper.
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Yitong YAO, Gang DONG, Zhangming ZHU, and Yintang YANG declare that they have no conflict of interest.
Project supported by the National Natural Science Foundation of China (Nos. 62021004, 61934006, and 61574106) and the Cooperation Program of XDU-Chongqing IC Innovation Research Institute, China (No. CQIRI-2022CXY-Z05)
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Yao, Y., Dong, G., Zhu, Z. et al. Stacked arrangement of substrate integrated waveguide cavity-backed semicircle patches for wideband circular polarization with filtering effect. Front Inform Technol Electron Eng 24, 759–766 (2023). https://doi.org/10.1631/FITEE.2200398
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DOI: https://doi.org/10.1631/FITEE.2200398