基于滤波器失配误差校正与相关系数联合的机载分布式雷达欺骗式干扰鉴别算法

doi:10.12305/j.issn.1001-506X.2026.02.09

摘要/Abstract

摘要：

针对转发式欺骗干扰鉴别问题，基于机载分布式雷达提出一种滤波器失配误差校正与相关系数联合的真假目标鉴别算法。首先分析各种同步误差对真假目标相关性的影响，然后构造精确匹配滤波器对接收信号进行滤波消除失配误差，接着计算所有目标信号矢量之间的相关系数构建出相关系数矩阵，并对其进行量化，从而利用真实目标信号与虚假目标信号相关性存在差异的特点，对真实目标与虚假目标进行鉴别。最后仿真实验结果表明，与现有方法相比，在真目标识别概率和干噪比相同情况下，所提算法的假目标误判概率更低，可验证所提算法的有效性。

关键词: 欺骗式干扰, 分布式雷达, 同步误差, 真假目标鉴别

Abstract:

To address the challenge of deception jamming identification, a real-false target discrimination algorithm is proposed for airborne distributed radar based on filter mismatch error correction and correlation coefficients. Firstly, the effects of various synchronization errors on the correlation of real and false targets are analyzed. Then, an accurately matched filter is constructed to eliminate mismatch errors. Subsequently, the correlation coefficients among all target signal vectors are calculated to construct a correlation coefficient matrix, which is quantified to distinguish true targets from false targets by leveraging the difference in correlation between real and false target signals. Finally, simulation results demonstrate that, compared to existing methods, the proposed algorithm achieves a lower false target misjudgment probability under the same conditions of true target recognition probability and jamming-to-noise ratio, verifying the effectiveness of the proposed algorithm.

Key words: deception jamming, distributed radar, synchronization error, real-false target discrimination

中图分类号:

TN 951

吕卓宇, 文才, 任蓝风, 孟一诺. 基于滤波器失配误差校正与相关系数联合的机载分布式雷达欺骗式干扰鉴别算法[J]. 系统工程与电子技术, 2026, 48(2): 466-477.

Zhuoyu LYU, Cai WEN, Lanfeng REN, Yinuo MENG. Deception jamming identification algorithm based on filter mismatch error correction and correlation coefficients for airborne distributed radar[J]. Systems Engineering and Electronics, 2026, 48(2): 466-477.

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名称	位置坐标
发射机	[0,0,10]
接收机	[0,0,10]，[0.3,0,10]，[0.5,0,10]， [0.8,0,10]，[1,0,10]，[1.3,0,10]; [1.5,0,10]
目标	[10,17,12]，[12,15,12]
DRFM干扰机	[10,17,12]

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