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航空拖曳式诱饵与被保护载机的相对空间位置及投放使用方法是诱饵能否成功干扰导弹的关键因素.针对传统有限段法的不足,提出改进的拖缆有限段法,将拖曳式诱饵的动态运动特性问题转变为拖曳线与拖曳飞机航迹轴系的夹角动态计算问题.通过分析拖曳飞机的速度矢量与拖曳线的几何关系,建立了拖曳式诱饵对拖曳载机的动态跟随模型.仿真计算了拖曳飞机机动飞行时,拖曳式诱饵的动态运动特性,结果证明算法简单有效,较好地模拟了其动态跟随特性.
The relative space position of the towed decoy and the protected carrier and the method of using it are the key factors of whether the decoy can successfully disrupt the missile.According to the deficiency of the traditional finite-section method, an improved streamer finite-section method is proposed, The problem of dynamic motion characteristics is transformed into the dynamic calculation of the angle between the drag line and the towing aircraft track system. The dynamic follow-up model of the towing decoy towing vehicle is established by analyzing the geometric relationship between the drag vector and the drag line. The dynamic behavior of towed bait is simulated and calculated when the towed aircraft is maneuvering. The results show that the algorithm is simple and effective, and its dynamic following characteristics are well simulated.