摘要
通过分析波长为530 nm的激光在海水中的光学衰减特性,利用蒙特卡洛法,模拟仿真了激光在不同海水水质条件传输时的接收功率,并仿真和分析了接收机在接收面不同位置处的接收功率和不同接收距离处3 dB光斑半径的展宽。
By analyzing the optical attenuation characteristics of 530 nm laser in seawater,the receiving power of laser in different seawater quality conditions is simulated and analyzed by Monte Carlo method. The receiving power of the receiver at different positions on the receiving surface and the broadening of 3 dB spot radius at different receiving distances are also simulated and analyzed.
引文
[1]鲁伟,孙建锋,潘卫清,等.空潜信道中基于多光束阵列的二维图案传输[J].中国激光,2006,33(7):928-932.
[2]梁波,朱海,陈卫标.大气到海洋激光通信信道仿真[J].光学学报,2007,27(7):1166-1172.
[3]夏珉,杨克成,郑毅,等.用蒙特卡罗法研究波动水表面对机载海洋激光雷达水下光束质量的影响[J].中国激光,2008,35(2):178-182.
[4]吴王杰,章曦.激光脉冲水下时域特性的蒙特卡罗模拟[J].激光与红外,2013,43(4):366-370.
[5]胡秀寒,胡思奇.水下激光通信系统最大通信距离的快速估计[J].中国激光,2015,42(8):71-79.
[6]林宏.海洋悬浮粒子的米氏散射特性及布里渊散射特性研究[D].武汉:华中科技大学,2007.
[7]杨顶田,曹文熙,杨跃中,等.珠江口水体的光学特征及分析[J].生态科学,2004,23(1):1-4.
[8]Hickman G D,Harding J M,Carnes M,et al.Aircraft Laser Sensing of Sound Velocity in Water:Brillouin Scattering[J].Remote Sens. Environ,1991,(36):165-178.