空空导弹红外导引头建模与抗干扰仿真

为满足战斗机红外系统攻防对抗作战与训练的仿真需要，对多元探测器导弹攻击的全过程进行建模仿真。提出基于时域波形特征分析的目标识别建模技术，提高了导弹仿真结果的可信性。分析导弹抗干扰技术，建立导弹运动与制导通用计算模型，通过导弹的飞行速度特性和可用过载共同确定导弹运动特征，既简化了运算，又提高了精度。计算了导弹在典型攻击条件下的攻击区。通过多次计算验证，表明快速生成的攻击区特性与导弹真实攻击区特性基本一致。

Modeling of IR Seeker for Air-to-air Missile and Anti-interference Simulation

For the simulation demands of fighter’s combat and training on IR attack-defend countermeasure, the whole attack process of multi-unit IR guided missile is simulated. A target identification algorithm based on time domain waveform characteristics is proposed, which makes the creditability of missile simulation results improved. Anti-interference technique of missile is analyzed. A missile universal motion and guidance model is established through velocity graph and practicable over-loading, which not only simplifies the operation but increases the precision. At last, the attack region of a missile under typical assault conditions is calculated. The simulation result shows that the characteristics of fast generated attack area agrees well with characteristics of real attack area.