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为了克服微光(LLL)夜视系统易受外界环境影响的缺点,在微光夜视系统中加入激光助视系统可以改善系统性能。由于加入激光助视系统后光源类型发生变化,视距公式、光谱匹配系数等都随之变化。根据夜间景物反射特性和激光辐射光谱特性,给出了夜间一些景物在激光助视下的反射光谱,计算了微光夜视仪光电阴极光谱响应和景物反射光谱之间的匹配系数,并分析了其对照度、对比度等参数的影响。
In order to overcome the shortcomings of LLL night vision system vulnerable to the external environment, adding laser imaging system to the low light night vision system can improve the system performance. Due to the change of the type of light source after adding the laser imaging system, the line-of-sight formula, the spectral matching coefficient and the like all change. According to the reflection characteristics of nighttime scenery and the characteristics of laser radiation, the reflectance spectra of some scenes at night with laser aided vision are given. The matching coefficients between the photoelectric cathode spectral response and the scene reflectance spectrum are calculated. Its contrast, contrast and other parameters.