光学技术, 2010, 36 (4): 613, 网络出版: 2011-02-21  

大气环境下激光传输仿真软件的设计与编制

Design and compiling of laser propagation simulation software in atmospheric environment
作者单位
北京邮电大学 电子工程学院, 北京 100876
摘要
随着激光技术的发展, 激光大气传输特性一直是激光领域的研究热点。综合激光大气传输的理论模型, 运用科学的软件开发方法设计出了一套仿真系统, 用来模拟激光在复杂大气环境中的辐射特性和激光的传输过程。该系统理论模型以Lambert-Beer定律为基础, 结合了瑞利散射和米散射等经典理论, 当在烟幕环境中模拟激光传输时, 采用了多次散射模型。仿真中对大气环境采用逐段细化, 每段根据数据库参数变化选取合适的计算模型, 以提高仿真精度。绘制出了光斑和等位面随传输距离的演化图形, 以演示激光大气的传输过程。
Abstract
As development of laser technology, the study of the characteristic of laser atmospheric propagation is always hot spot in laser domain. Using theoretical models of laser atmospheric propagation, a simulation system is researched by implementing a scientific method of software development. This simulation system can simulate the radiate property of laser propagation in atmosphere and the course of laser propagation. This theoretical model of atmospheric propagation is based on Lambert-Beer law, combined with other classic theoretical model such as Rayleigh scattering and Mie scattering. Multiple scattering theory models are used when simulating the laser propagation in smoke or fog. In calculation, the atmosphere environment is divided into layer. An appropriate model is selected for calculation in each layer in order to enhance the stimulation precision. The figure of light spot is drawn along transmission space.

赵同刚, 高惠平, 任建华, 忻向军. 大气环境下激光传输仿真软件的设计与编制[J]. 光学技术, 2010, 36(4): 613. ZHAO Tong-gang, GAO Hui-ping, REN Jian-hua, XIN Xiang-jun. Design and compiling of laser propagation simulation software in atmospheric environment[J]. Optical Technique, 2010, 36(4): 613.

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