近红外波段透雾能力量化分析

摘要

通过采用满足靶面最低照度要求来衡量成像作用距离；利用辐射传输软件Pcmodwim分别计算了可见光波段(0.35 ～0.76 μm)和近红外波段(0.7～1.1 μm)光学系统透过率,并在考虑球表面照度、目标反射系数、大气衰减、光学系统相对孔径等多项指标和影响因素后,对2个波段成像系统的作用距离进行了对比；利用作用距离对近红外波段的相对于可见光波段的透雾能力进行了量化,并搭建实验模型进行了相关验证.%Using meet target minimum illumination requirements scale imaging distance. Employing the Pcmodwin software of radiation transmission calculate the visible and near-infrared optical system transmittance, and in consideration of surface illumination, target reflection coefficient, atmospheric attenuation, the relative aperture of optical system and other indexes and influencing factors. On two band imaging system as a function of distance was compared. Using distance to near-infrared band relative to the visible band of fog-penetrate capacity was quantified. Finally,build the experiment model to process relevant verification.