超表面和闪干扰:融合研究,比较分析和挑战
Rafael Gonçalves Licursi de Mello1
1Greenerwave, 75002 Paris, France.
Micromachines
|July 29, 2023
概括
可重新配置的元表面提供了一个更简单,更便宜的替代数字射频内存闪干扰. 这种技术可以通过改变飞机的雷达截面来有效地欺骗单脉冲雷达.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 雷达系统 雷达系统
背景情况:
- 闪干扰是对单脉冲雷达的关键自我选技术.
- 目前使用数字射频存储器 (DRFMs) 的方法复杂且昂贵.
研究的目的:
- 提出和验证可重新配置的元表面作为闪干扰DRFM的替代方案.
- 评估元表面在改变飞机雷达截面 (RCS) 的有效性.
主要方法:
- 进行了结合现实现象的模拟.
- 建议重新配置的超表面覆盖关键的飞机RCS区域.
- 超表面被设计为可互换地吸收或放大雷达波.
主要成果:
- 使用元表面的RCS 10:1变化实现了与DRFM可比的性能.
- 2:1的RCS变化足以超过雷达天线的角度跟踪能力.
- 拟议的方法提供了一个可行的,不那么复杂的 DRFM 基于干扰的替代方案.
结论:
- 可重新配置的元表面为闪干扰提供了一个有希望的,具有成本效益的解决方案.
- 这项技术可能会导致新的雷达对策策略,包括无人机应用.
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