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《Acta Photonica Sinica》 2018-10
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Monte Carlo Simulation and Experimental Study of Side-Scattered Lidar Echo Signals

FENG Bing;HU Miao;LI Peng;HAN Ning;JIN Tao;OU Jun;ZHOU Xue-fang;YANG Guo-wei;LU Yang;BI Mei-hua;College of Communication Engineering,Hangzhou Dianzi University;State Key Laboratory of NBC Protection for Civilian;Research Institute of Chemical Defense;  
A theoretical model of the side-scattering lidar is established by semi-analytical Monte Carlo method.In the model,the side-scattering mechanism of the laser beam on the atmospheric aerosol is studied under multiple-scattering conditions.Through the theoretical simulation of the model,the spatial distribution of the side-scattered photons as well as the side-scattering intensity and the scattering coefficient curves are obtained.Comparing the scattering coefficient curves obtained by experiments and simulations under visibility conditions of 5.7 km,8 km and 10.2 km,it is found that with the average scattering factor and the asymmetric factor(μs,g)at(0.7,0.65),(0.45,0.45)and(0.2,0.35),the fit goodness is better than 95%.
【Fund】: 国家自然科学基金(No.61705055);; 国民核生化灾害防护国家重点实验室开放基金(No.SKLNBC2015G03)资助~~
【CateGory Index】: TN958.98
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