研究了载体平台振动条件下红外系统成像模糊效应模型, 实现了系统成像模糊效应动态仿真。依据红外系统成像原理及平台振动规律, 建立载体平台振动下红外系统成像模糊效应模型; 通过研究模糊效应纹理预生成及实时采样方法, 实现载体平台振动下系统成像模糊效应实时计算; 基于仿真结果定量分析了载体平台不同振动条件下, 红外系统成像质量退化程度。结果表明: 载体平台振动时, 振动振幅或振动频率增大都会导致红外系统成像质量严重退化; 而且观测距离越远, 载体平台振动对系统成像质量影响越明显。

The model of infrared system imaging blur effect caused by carrier platform vibration was studied. Considering the theory of infrared system imaging and the vibration regularity of carrier platform, the model of infrared system imaging blur effect caused by carrier platform vibration was established. The pre-generation method of the blur effect texture was studied, on the basis of which the real-time sampling method of the texture mentioned-above was built. Then the infrared system imaging blur effect was simulated dynamically. The degradation degree of the infrared system imaging quality under different vibration conditions was quantitatively analyzed. The results show that, the increase of carrier platform vibration amplitude or frequency would result in more serious degradation of the infrared system imaging quality; Furthermore, the farther the observation distance is, the worse the carrier platform vibration influence on the system imaging quality is.