多功能主动频率可重新配置的极化转换器使用简单的直流偏移电路.
Optics express
|November 22, 2024
概括
这项研究引入了一种能够进行频率重新配置的新型活性转换器. 它使用PIN二极管有效地将线性偏振转换为跨多个频段的循环偏振.
科学领域:
- 电磁学和微波工程 电磁学和微波工程
- 超级材料研究研究.
- 天线和射频元件设计设计.
背景情况:
- 基于元材料的偏振转换器对于先进的无线系统至关重要.
- 在极化转换器中实现频率重新配置和多频段运行仍然是一个挑战.
- 简单的偏差网络集成对于实际的设备实现至关重要.
研究的目的:
- 提出和实验验证一个具有频率重新配置的多功能主动转换器.
- 为了证明转换器实现循环偏振转换的能力.
- 为活性组件开发一个简单的偏差电路.
主要方法:
- 单元电池的设计包括T形金属贴片和PIN二极管.
- 用于循环极化转换的补丁的斜排安排.
- 使用PIN二极管切换进行频率重新配置.
- 开发一个简单的直流偏差电路,集成金属电路.
- 电路建模和全波电磁模拟用于分析.
- 在20-40 GHz范围内对设计进行实验验证.
主要成果:
- 拟议的单元电池可以通过PIN二极管切换进行频率重新配置.
- 在PIN二极管的ON和OFF状态下,产生了三个不同的频段.
- 在这些频段中,线性偏振转换为右侧圆性偏振,线性偏振和左侧圆性偏振.
- 电路模拟与全波模拟有很好的一致性.
- 实验测量验证了在20-40 GHz频率范围内的模拟结果.
结论:
- 开发的活性转换器成功实现了多功能极化转换,并具有频率可重配置性.
- 简单的偏差电路设计有助于实际实施.
- 该设计显示了模拟和实验测量之间的绝佳一致性,证实了其适用于高频应用的可行性.
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