The damage mechanism and intensity of Anti-Radar Missile (ARM) to the surface-to-air missile guidance radar were analyzed, and the relevant mathematical models and calculation methods were put forward. The function and structure of the surface-to-air missile guidance radar were analyzed, and the damage mechanism of fragmentation warheads was deduced out. Then, the damage effect model was established based on fragment damage process. The systematic equivalent target thickness expression was built up taking comprehensive consideration of ultimate strength and shear stress. The guidance radar critical part damage model was established based on fuzzy theory, and the damage probability of guidance radar was calculated out. The models have fine hierarchy and are convenient for computer implementation. The study will establish a basis for research on the operational efficiency of anti-radar missiles.%针对反辐射导弹对地空导弹制导雷达的毁伤机理和强度进行分析和理论研究,提出求解破片式战斗部对制导雷达毁伤概率的数学模型和计算方法.对地空导弹制导雷达进行功能和结构分析,推导出战斗部破片的毁伤机理,根据破片毁伤过程建立破片对制导雷达的毁伤模型.综合考虑强度极限和剪切应力,建立相对全面的等效靶厚度计算模型.利用模糊集理论建立制导雷达关重件的毁伤计算模型,进而计算制导雷达的毁伤概率.所建模型具有良好的层次结构,便于利用面向对象的编程语言加以实现,为深入研究反辐射导弹武器系统作战效能奠定了基础.
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