定向可控制的RCS增强电磁表面,以改善自动驾驶雷达的道路障碍物检测能力
Yanbin Chen1,2, Tong Wang1, Qi Liu1
1School of Cyberspace and Technology, Beijing Institute of Technology, Beijing 100086, China.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
本研究引入了一个可控制方向的雷达截面 (RCS) 增强面,以提高自动驾驶雷达检测能力. 新的VanAtta阵列设计实现了显著的RCS增强,提高了道路障碍物检测.
科学领域:
- 电磁学和微波工程 电磁学和微波工程
- 自主系统技术技术 自主系统技术
- 雷达信号处理 雷达信号处理
背景情况:
- 自动驾驶系统依赖微波雷达来感知环境.
- 检测道路上的障碍物,如堆,对于安全至关重要.
- 当前的雷达系统可能需要针对特定场景增强检测能力.
研究的目的:
- 开发一个可控制方向的雷达截面 (RCS) 增强面.
- 为了提高自动驾驶雷达对道路障碍物的检测能力.
- 为了使定向RCS增强,而不会干扰其他微波系统.
主要方法:
- 设计了一个修改的一维VanAtta阵列,用于反向波反射,可调节相位.
- 将1D数组配置为2D数组,用于定向控制的RCS增强.
- 制造并测试了一个4x8阵列原型,并将阵列集成到道路障碍模型上.
主要成果:
- 使用修改后的VanAtta阵列实现了广角RCS增强.
- 通过2D阵列中的相位操纵,证明了可控制方向的RCS增强.
- 与道路障碍物上完美的电导体表面相比,测量了超过10dB的RCS增强.
结论:
- 拟议的可控制方向的RCS增强表面是可行的和有效的.
- 这项技术可以显著提高自动驾驶雷达的路堆检测能力.
- 定向控制确保与现有微波系统的兼容性.
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