关于在监视应用中对多普勒耐噪声雷达波形进行更深入的研究
Maximiliano Barbosa1, Leandro Pralon2, Antonio L L Ramos3
1Brazilian Navy Weapons Systems Directorate, Rio de Janeiro 20010-000, Brazil.
Sensors (Basel, Switzerland)
|April 27, 2024
概括
先进的脉冲压缩噪声 (APCN) 雷达波形提供了增强的低拦截概率/利用能力. 新的方法可以检测到APCN信号,即使在较低的信号噪声比率,提高电子战防御.
科学领域:
- 电子战是一种电子战.
- 雷达系统 雷达系统
- 信号处理 信号处理
背景情况:
- 低拦截概率 (LPI) 和低利用概率 (LPE) 雷达,与噪声雷达一样,在电子战 (EW) 中构成挑战.
- 现有的噪声雷达具有有限的多普勒容忍度,需要先进的波形设计.
研究的目的:
- 分析高级脉冲压缩噪声 (APCN) 波形的低拦截/利用概率 (LPI/LPE) 特性和性能.
- 开发和评估通过电子情报 (ELINT) 系统拦截和利用APCN信号的方法.
主要方法:
- 为APCN信号的模糊性函数和光谱制衍生闭式表达式.
- 开发时间频率分析 (TFA) 和用于APCN信号拦截的图像处理技术.
- 基于信号与噪声比 (SNR) 的ELINT系统检测概率的评估.
主要成果:
- 闭式分析使我们能够理解APCN检测性能和范围模糊性消除.
- 复杂的ELINT系统可以拦截APCN信号并估计关键参数 (带宽,频率,持续时间,PRI).
- 拟议的拦截方法显示了高的检测概率 (接近1),即使在SNR低于-10dB.
结论:
- 通过将LPI/LPE特征与良好的多普勒容忍相结合,APCN波形增强了噪声雷达的能力.
- 该研究为ELINT系统提供了有效的方法来检测和利用APCN信号,改进电子支持措施 (ESM).
- 这项研究有助于推进雷达技术和电子战防御战略.
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