一个完全的Ka频段间隙波导基于插槽阵列天线与45°倾斜偏振
Davood Zarifi1,2, Ali Farahbakhsh3,4, Michal Mrozowski3
1Department of Microwave and Antenna Engineering, Faculty of Electronics, Telecommunications, and Informatics, Gdańsk University of Technology, Gdańsk, 80-233, Poland. davood.zarifi@pg.edu.pl.
Scientific reports
|July 23, 2025
概括
本研究介绍了一种用于Ka频段应用的宽带,45°倾斜偏振槽天线阵列. 间隙波导技术确保了高增益和效率,在26.35-40 GHz带宽中实现26.9 dB的峰值增益.
科学领域:
- 电磁和天线工程 电磁和天线工程
- 微波和毫米波技术的技术.
背景情况:
- 卡频应用需要具有宽带宽和高收益的高性能天线.
- 传统的天线设计经常面临电磁能量泄漏和毫米波频率的效率方面的挑战.
研究的目的:
- 为Ka频段应用开发一个非常宽带的,45°倾斜偏离的,8x8元素槽天线阵列.
- 利用间隙波导技术来抑制电磁能量泄漏,并提高天线增益和效率.
主要方法:
- 设计和制造使用间隙波导技术的8x8元槽天线阵列.
- 实施一种新型的两层料网络,配有折叠的E平面槽间隙波导功率分隔器.
- 实验测试用于验证天线性能参数.
主要成果:
- 在26.35-40 GHz的Ka频段实现了比-10 dB更好的反射系数.
- 由于低损失间隙波导特征,表现出26.9dB的峰值增益,高效率.
- 测量侧叶水平 (SLL) 和交叉极化歧视 (XPD) 分别优于-24.1 dB和25.6 dB.
结论:
- 拟议的E-plane槽隙波导基天线阵列为Ka频段和毫米波频率提供低配置,低损耗和宽带解决方案.
- 45°倾斜偏振和间隙波导集成使得在增益,效率和隔离方面实现了卓越的性能.
- 这种天线阵列适用于运行在Ka频段频谱的先进通信系统.
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