摘要
This paper presents a Ka-band fully metallic Mikaelian lens antenna. The antenna is comprised of a parallel plate waveguide with a bed of metallic nails on the base plate, which is fed by five WR-28 waveguides. By adjusting the height of the nails while maintaining the fixed spacing of the parallel plate waveguide, the desired refractive index distribution is achieved. Full-wave simulation results demonstrate reflection coefficients below -12.4 dB, coupling coefficients below -18.5 dB and a beam scanning range of ±30° within the 26 GHz to 32 GHz band. Additionally, sidelobe levels are lower than -7.5 dB, and the maximum gain are higher than 14.5dBi.
源语言 | 英语 |
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期刊 | ICMMT - International Conference on Microwave and Millimeter Wave Technology |
期 | 2024 |
DOI | |
出版状态 | 已出版 - 2024 |
活动 | 16th International Conference on Microwave and Millimeter Wave Technology, ICMMT 2024 - Beijing, 中国 期限: 16 5月 2024 → 19 5月 2024 |
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Miao, Z., Lu, H., Nie, B., Liu, Y., & Lv, X. (2024). A Ka-Band Metallic Mikaelian Lens Antenna Based on Bed of Nails with Continuous Gradient. ICMMT - International Conference on Microwave and Millimeter Wave Technology, (2024). https://doi.org/10.1109/ICMMT61774.2024.10672249