气溶胶粒径区间对其消光、后向散射及消光后向散射比影响的数值分析

NUMERICAL ANALYSES ABOUT THE EFFECTS OF AEROSOL PARTICLE INTERVAL ON THEIR EXTINCTION.BACKSCTTER AND THE RATIO OF EXTINCTION TO BACKSCATTER

利用Ｊｕｎｇｅ谱对多道光电粒子计数器的测量谱进行了模拟，根据光散射的米氏理论，考察了气溶胶小位子对其消光、后向散射及消光后向散射比的影响情况，对估计由实测谱及折射指数计算以上三个参量所带来的误差具有一定参考价值。

By using junge spectrum,the measured particle size distribution of multiple-channel-optoelectronic counter is simulated.On the basis Mie theory of light scattering,theeffects of aerosol-particle-interval op their extinction,backscatter and the ratio of extinctionto backscatter are resercned,In is valuable to estimate the errors caused by the calculationswhich wiil be carried out by using measured particle size distribution and refractive index.