单层双宽带线性到循环极化转换器与集成的寄生元素
Cho Hilary Scott Nkimbeng1, Heesu Wang1, Daeyeong Yoon1,2
1Department of Electrical and Computer Engineering, Ajou University, Suwon, 16499, Republic of Korea.
Scientific reports
|November 1, 2024
概括
这项研究介绍了一种新的双宽带线性到圆形极化转换器. 它有效地在两个不同的频段中将线性转换为循环极化,具有高性能.
科学领域:
- 电磁学和波浪传播
- 超材料和等离子材料.
- 天线和微波工程天线和微波工程
背景情况:
- 对各种无线通信系统来说,线性向圆形的偏振转换至关重要.
- 现有的转换器经常受到狭窄的带宽或复杂的结构的影响.
- 开发高效的宽带转换器仍然是一个活跃的研究领域.
研究的目的:
- 介绍一款新型单层,单面双宽带线性到圆形极化转换器.
- 为了实现高效率和稳定的宽带极化转换.
- 为了证明转换器在广泛的频率和冲击角度的性能.
主要方法:
- 一个单元电池的设计包括斜面导向的C形金属条和寄生条.
- 将单元细胞集成到超薄基板上.
- 数字模拟和实验验证极化转换器性能.
主要成果:
- 实现了双宽带操作,带宽为86.3% (6.78-17.08 GHz) 和36.8% (25.09-36.40 GHz).
- 已证明几乎相同的传输幅度和稳定的90°相位转移可以有效地实现极化转换.
- 获得了高和均的总传导率,在广泛的冲击角度上保持一致的性能.
结论:
- 拟议的设计为双宽带线性向循环极化转换提供了一个高度有效的解决方案.
- 包括寄生性条纹是实现所需相位移和宽带性能的关键.
- 转换器的强大性能使其适用于先进的微波和毫米波应用.
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