设计方法和应用基于元表面的任意通带过器用于太赫兹通信
Da Hou1,2, Lihui Wang1, Qiuhua Lin1
1School of Electronics and Communication Engineering, Sun Yat-sen University, Shenzhen 518107, China.
Sensors (Basel, Switzerland)
|February 24, 2024
概括
本研究引入了一种创新的方法,用于创建任意带宽过器,使用元表面进行太赫兹 (THz) 通信. 新方法简化了设计,并改善了先进无线系统的阻抗匹配.
科学领域:
- 电磁学和应用物理学
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
背景情况:
- 为太赫兹 (THz) 通信设计任意带宽过器是复杂的,通常面临阻抗匹配的挑战.
- 现有的过器设计难以满足未来无线通信系统的需求,需要精确的频率控制.
研究的目的:
- 提出一种新的基于元表面的方法,用于实现THz通信的任意带宽过器.
- 为了简化设计过程并克服传统过器实现中固有的阻抗匹配问题.
主要方法:
- 与超宽带 (UWB) 带宽过器集成了一个元表面带止过器,调整带止范围以实现任意带宽.
- 利用基板集成间隙波导 (SSIGW) 技术用于实际的THz波器制造.
- 开发了电磁带间隙 (EBG) 结构的设计方程,与通过 (TSV) 兼容,并使用了同等的传输线和电路模型进行分析.
主要成果:
- 拟议的THz波器以0.151 THz的中心频率运行,相对带宽为6.9%.
- 实现了低插入损失 (<0.68 dB) 和宽停止频段 (> 20 GHz).
- 证明了0.119 ± 0.048 ns的最小的带内群延迟.
结论:
- 基于元表面的方法为THz系统中任意带宽过器设计提供了实用和有效的解决方案.
- 与现有的THz过器相比,开发的SSIGW THz过器具有优越的低损耗和最小延迟特性.
- 这种进步非常适合增强未来的无线通信技术.
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01:17Bandpass Sampling
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01:25Active Filters
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01:23Design Example
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01:25Network Function of a Circuit
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