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《Laser & Infrared》 2011-03
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Monte Carlo simulation of time-domain broadening of laser pulse propagating underwater

ZHOU Ya-min,WU Ke-qi,CHEN Jin-lai,WANG Zhong-si,JIANG Hong-hui(No.3 Department,Naval Petty Officer Academy,Bengbu 230012,China)  
The Monte Carlo model of underwater photon propagation is developed to simulate the time-domain broadening characteristics of laser pulse propagating underwater.The influence of system parameters,such as propagation distance,receiving area,and water quality to the pulse time-domain broadening characteristics is analyzed.The simulated results show that with increasing of propagating distance,the laser pulse time-domain width increases.And the larger the receiving area of the detector,the more seriously the pulse time-domain broadens.Furthermore,the width of pulse time-domain is relatively narrow when the forward scattering characteristics of seawater is strong.And the pulse time-domain broadening is more clearly apparent with increasing attenuation coefficient.
【CateGory Index】: TN929.1
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1 ZHOU Ya-min1,2,LIU Qi-zhong2,ZHANG Xiao-hui2,LI Fang3(1.Department of Information Technology,Naval Petty Otficer Academy,Bengbu 233012,China;2.Department of Weaponry Engineering,Naval University of Engineering,Wuhan 430033,China;3.Institute of Marine Electromagnetic Environment,Naval University of Engineering,Wuhan 430033,China);Analysis of Underwater Optical PPM Channel Capacity Under Certain Background Noise[J];Laser & Infrared;2009-04
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