对于多通道电磁控制的多频振幅可编程元表面
Rui Yuan Wu1,2, Shi He1,2, Jun Wei Wu1,2
1Institute of Electromagnetic Space, Southeast University, Nanjing 210096, China.
Nanophotonics (Berlin, Germany)
|December 5, 2024
概括
这项研究介绍了一种可编程多频振幅 (MFAP) 的超表面,用于先进的电磁数据操纵. 这种可编程的超表面能够独立地实时控制跨多个频道的振幅信号.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 材料科学 材料科学 材料科学
背景情况:
- 传统的超表面对电磁波 (EM) 提供有限的实时控制.
- 数字和可编程的超表面提供了信息和物理之间的增强协作.
- 复杂的实时控制是需要先进的EM波操纵.
研究的目的:
- 提出一种新的多频振幅可编程 (MFAP) 地表.
- 为了在多个频道中实现反射幅度 (高/低) 的同时独立编码.
- 为了证明灵活的多功能EM操作与频率.
主要方法:
- 多频振幅可编程 (MFAP) 超表面的设计.
- 使用正方形分割环元原子与瓦拉克特二极管进行振幅控制.
- 在金属结构上切换变频器以修改每个频道的振幅代码.
主要成果:
- 在多个频道中实现了同时和独立的振幅编码 (高/低).
- 证明了独特的振幅编码,可以控制反射系数和辐射模式.
- 通过模拟和测量双通道原型的验证MFAP超表面功能.
结论:
- 拟议的MFAP超表面通过复杂的空间编码提供精确的EM功率操纵.
- 能够实现创新的通信系统,通过单独的信号传输跨通道.
- 通过结合频道来实现先进的EM数据处理来促进多位传输.
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