泡沫对红外点源导引头干扰效能分析

泡沫作为一种新的无源干扰手段,对红外点源导引头干扰作用明显。在对影响泡沫干扰效能的因素进行分析的基础上,建立了红外点源导引头遮蔽面密度和泡沫两点间面密度计算模型,通过两种面密度的比较,对泡沫的干扰效能进行分析。并利用Matlab仿真工具进行了数值仿真,结果表明：随着泡沫厚度、源强的增大,两点间面密度逐渐增大,与实验测得的值基本吻合。研究结论对泡沫干扰效能评估及泡沫干扰战术的运用具有一定的参考意义。

Interference effectiveness analysis of infrared no-imaging seekers influenced by foam

Foam as a new method of passive interference,has obvious interference effects on infrared no-imaging seekers.Based on the analysis of the factors of influencing foam interference effectiveness,the calculation model of sheltered surface density of infrared no-imaging seekers and foam surface density between two points is established.By the comparison of two surface density,interference effectiveness of foam is analyzed.Using Matlab simulation software for numerical simulation,it shows that with increasing of foam thickness and source intensity,surface density between two points is increasing,and it is similar to experimental measured numerical values.Following conclusion have certain significance for foam jamming efficiency evaluation and optimization of foam jamming.