摘要
各种特殊天气的影响是制约无线光通信发展的重要因素,雨雾等天气对激光信号传输的衰减影响很大。主要研究了各种雨雾天气对激光大气传输的衰减特性,根据Mie散射理论分析了精确计算激光信号衰减的方法,并对几种常用的雨雾衰减经验模型进行Matlab数值仿真,通过分析从中得出激光衰减系数和雨雾天气能见度的关系。
The influence of varions exceptional weather condition is a dominant challenge for wireless optical The attenuation of laser signal is especially serious in rain and fog weather. In this paper, the attenuation characteristic of laser propagation is studied in rain and fog conditions. According to Mie scattering theory, the method of accurate calculation of laser signal attenuation is analysed, several experience models of rain or fog are simulated in Maflab 7.0 from the analysis results, and the relationships of attenuation coefficient with rain and fog are given clearly.
出处
《电子设计工程》
2011年第9期1-5,共5页
Electronic Design Engineering
基金
广西信息与通讯技术重点实验室基金资助项目(10905)
