通过被动比斯塔特雷达中的目标受污染的参考信号来缓解幽灵峰值
Yonggan Zhang1, Liyong Ge2, Yong Wu3
1Intelligent Transportation School, Zhejiang Institute of Communications, Hangzhou, 311112, China. zhangyonggan@zjvtit.edu.cn.
Scientific reports
|December 28, 2025
概括
被动双向式雷达 (PBR) 使用现有信号进行低成本传感. 一种新方法有效地抑制了由信号污染引起的幽灵峰值,提高了目标检测的准确性.
科学领域:
- 电气工程 电气工程
- 雷达系统 雷达系统
- 信号处理 信号处理
背景情况:
- 被动双向雷达 (PBR) 使用非合作照明器,如FM无线电和蜂信号,以实现经济高效和弹性监控.
- 在PBR中,一个关键的挑战是目标回声对参考通道的污染,导致范围多普勒图中的幽灵峰值.
- 这些幽灵峰与目标的多普勒共享,但范围不正确,使检测复杂化并降低了系统性能.
研究的目的:
- 从匹配过器的角度分析被动比斯塔特雷达中的幽灵峰的形成机制.
- 为PBR系统提出和评估一种新的幽灵峰值抑制策略.
- 证明拟议方法在减少虚假报警和保持目标检测方面的有效性.
主要方法:
- 使用匹配波理论分析的幽灵峰形成机制.
- 建议的抑制策略结合了多一致性分析和基于的掩盖.
- 轻量级的后检测处理被应用在没有复杂的重建的情况下去除虚假的反应.
主要成果:
- 使用测量FM广播的合成数据进行的模拟显示了有效的幽灵峰值抑制.
- 该方法成功地减少了各种污染场景中的错误轨迹.
- 可靠的目标检测是保持低计算开销的.
结论:
- 拟议的多一致性和基于的掩盖方法为减轻PBR中目标诱导污染提供了一个实际的解决方案.
- 该方法的轻量级性质使其对实时被动雷达应用非常有效.
- 这种技术显著提高了被动双向式雷达检测系统的可靠性和准确性.
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