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利用Luettgen单次散射信道模型对雾环境下非视距日盲紫外光通信信道传输特性进行了模拟分析。选取波长为260nm的紫外光,分析了雾环境下对于不同的通信距离,该紫外光的路径损耗与能见度的关系。结果表明:在通信距离已知以及系统的发射仰角、接收仰角、发射视场半角和接收视场半角等几何参数已知的情况下,存在一个使得紫外光传输的路径损耗达到最小的能见度;同时,分析并比较了0~2km辐射雾和平流雾传输路径损耗与能见度、通信距离的关系,并得到辐射雾环境更利于紫外光传输。
The transmission characteristics of non-line-of-sight, day-blind and UV-blind optical communication channels in fog environment were simulated by using Luettgen single-scattering channel model. Select the wavelength of 260nm UV light, analysis of the fog environment for different communication distance, the UV path loss and visibility of the relationship. The results show that there is a visibility which minimizes the path loss of ultraviolet light transmission when the communication distance is known and the geometrical parameters of the system such as elevation angle of elevation, elevation of receiving angle, half angle of transmitting field of view and half angle of receiving field of view are known. , The relationship between the transmission loss and the visibility and communication distance of 0 ~ 2km radiation fog and advection fog was analyzed and compared, and the radiation fog environment was more favorable to the ultraviolet light transmission.