基于航迹残差的弹道导弹目标识别技术

doi:10.12305/j.issn.1001-506X.2026.08.12

Abstract

Abstract:

To address the issues of ballistic missile target recognition methods being susceptible to interference from decoy characteristics, as well as significant fluctuations in single decision results and insufficient real-time performance, a ballistic missile target recognition technology based on trajectory residuals is proposed. Firstly, a kinematic model is established for ballistic targets, and radar echo signals are simulated. Subsequently, the echo signals undergo constant false alarm rate processing, clustering processing, filtering tracking processing, and trajectory residual features are extracted. Finally, threshold single decision is performed on the residual features, and a sliding window voting method is adopted for temporal sequential fusion, thereby achieving target recognition. Experimental results demonstrate that this method can effectively distinguish between warheads and decoy clusters, and the recognition processing method for residual features is relatively robust, with good accuracy and real-time performance. This study provides insights for ballistic missile defense systems.

Key words: ballistic missile, target recognition, track residual, sliding window voting

CLC Number:

Jun SUN, Kun QIN, Ming FANG, Junjie XUE, Shoujiang YU. Ballistic missile target recognition technology based on track residuals[J]. Systems Engineering and Electronics, 2026, 48(8): 2638-2647.

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References 20

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名称	参数
地球半径/m	6.378×10⁶
地球扁率摄动	1.082 63×10⁻³
弹道系数/（m²/kg）	1/250 00
地心引力常数/（m³/s²）	3.986 004 7×10¹⁴
地球自转角速度/（rad/s）	7.292×10⁻⁵
诱饵个数	6
目标初始LLA坐标/（°E, °N, km）	（36.5, 29, 140）
雷达LLA坐标/（°E, °N, km）	（35.361 7, 28.593 8, 10）
弹头ECEF初始速度/（m/s）	（350, −800, −500）
诱饵1的ECEF初始速度/（m/s）	（370.955 5, −832.805, −429.430 6）
诱饵2的ECEF初始速度/（m/s）	（370.455 5, −831.805, −428.930 6）
诱饵3的ECEF初始速度/（m/s）	（406.455 5, −895.805, −460.430 6）
诱饵4的ECEF初始速度/（m/s）	（406.955 5, −894.805, −460.930 6）
诱饵5的ECEF初始速度/（m/s）	（395.65, −848.01, −396.592）
诱饵6的ECEF初始速度/（m/s）	（395.01, −848.95, −396.3）

名称	参数
信号波形	LFM
中心频率/GHz	10
光速/（m/s）	3×10⁸
调频带宽/MHz	10
采样频率/MHz	10
雷达探测最小距离/km	3
雷达探测最大距离/km	198
脉宽/μs	50
雷达数据率/Hz	8

名称	参数
单边参考单元长度	16
单边保护单元长度	2
背景噪声估计所选取的单元序号	16
虚警概率	10⁻⁶

名称	参数
点迹采样周期/s	0.125
状态转移矩阵	$ \left[ {\begin{array}{*{20}{c}} 1&{0.125} \\ 0&1 \end{array}} \right] $
观测噪声协方差	0.04
α	0.7
β	0.35

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Ballistic missile target recognition technology based on track residuals

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