基于概率推理的舷外有源诱饵干扰评估方法研究

doi:10.12305/j.issn.1001-506X.2024.02.24

摘要/Abstract

摘要：

针对电子对抗的非合作性和传统干扰效能评估方法的主观性, 围绕舷外有源诱饵, 提出了一种基于概率推理的干扰有效性评估方法。首先, 由导弹末段制导动态过程推导干扰有效性判据, 从信号层面与态势层面分析非合作参数作用。然后, 基于概率推理原理, 构建干扰有效性推理模型, 阐述了干扰有效性评估内容。最后, 通过数值仿真分析了正向推理和反向推理结果, 并对不同诱饵干扰策略进行评估。仿真结果表明, 利用概率推理可从未知参数中得到干扰有效性判据的概率分布, 为舷外有源诱饵提供了量化且可扩展的干扰评估框架。

关键词: 电子对抗, 舷外有源诱饵, 概率推理, 干扰有效性评估

Abstract:

In addressing the non-cooperative character of electronic countermeasures and the subjective character of traditional jamming effectiveness evaluation method for outboard active decoy, an jamming effectiveness evaluation method based on probabilistic reasoning is proposed. Firstly, the jamming effectiveness criterion is derived from the dynamic process of missile terminal guidance and the role of non-cooperative parameters is analyzed at the signal level and the posture level. Then, based on the principle of probabilistic reasoning, the jamming effectiveness reasoning model is established and the contents of jamming effectiveness evaluation are described. Finally, the forward and reverse reasoning result are analysed through numerical simulation and different decoy jamming scenarios are evaluated. The simulation results show that the probability distribution of the jamming effectiveness criterion can be obtained from the unknown parameters using probabilistic reasoning, which provides a quantitative and scalable jamming evaluation framework for outboard active decoys.

Key words: electronic countermeasures, outboard active decoy, probabilistic reasoning, jamming effectiveness

中图分类号:

TN97

吴兆东, 胡生亮, 罗亚松, 刘忠, 夏家伟. 基于概率推理的舷外有源诱饵干扰评估方法研究[J]. 系统工程与电子技术, 2024, 46(2): 605-615.

Zhaodong WU, Shengliang HU, Yasong LUO, Zhong LIU, Jiawei XIA. Research on outboard active decoy jamming evaluation method based on probabilistic reasoning[J]. Systems Engineering and Electronics, 2024, 46(2): 605-615.

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含义(单位)	符号
ASM雷达发射功率/kW	P_t
干扰机发射功率/kW	P_j
ASM天线方向增益	G_t
干扰机天线方向增益	G_j
舰船雷达截面积/m²	σ
干扰损失系数	κ
ASM的距离/m	R

导弹	诱饵
导弹	Y＜Y_e	Y_e＜Y＜Rθ_0.5	Y＞Rθ_0.5
R＜R_e	干扰失效	条件冲突	不可干扰
R＞R_e	干扰失效	干扰有效	不可干扰

情形	R/m	Y/m	DOA/(°)	结果
1	6 000	200	(90~120)	成功
2	4 000	350	(90~120)	失败
3	5 000	250	(60~90)	成功
4	4 000	200	(170~180)	成功

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