On the basis of analyzing the campaign efficiency index of electrooptical countermeasure,this paper emphatically analyzes the campaign efficiency of smoke screen blanket jamming,gives the detection and identification probability models to targets under smoke screen blanket condition,then combines several conditions that infrared decoy jamming infrared guided missile,and analyzes the campaign usage efficiency of infrared decoy quantitatively,and fetches the conditions of successful jamming.%在分析了光电对抗作战效能指标的基础上,着重分析了烟幕遮蔽干扰的作战效能,给出了烟幕遮蔽条件下对目标的发现和识别概率模型,接着结合红外诱饵干扰红外制导导弹应满足的几个条件,定量分析了红外诱饵的作战使用效能,得出了干扰成功的条件。
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