大气湍流光波传输数值仿真技术研究综述  

Survey of Studies on Numerical Simulations of Optical-Wave Propagation in Atmospheric Turbulence

作　　者：任斌[1,2] 陈纯毅[1] 杨华民[1] 

机构地区：[1]长春理工大学计算机科学技术学院,吉林长春130022 [2]长春工程学院计算机技术与工程学院,吉林长春130012

出　　处：《系统仿真学报》2017年第8期1631-1640,共10页Journal of System Simulation

基　　金：国家自然科学基金(61275080;61475025);高等学校博士学科点专项科研基金(20132216110002);吉林省自然科学基金(20150101016JC)

摘　　要：大气湍流呈现出复杂的随机特性,导致大气湍流光波传输理论的实验测量验证存在困难。数值仿真具有参数可控性,已成为大气湍流光波传输的另一种重要研究手段。针对国内外文献,综述了大气湍流随机相位屏模型、随机相位屏数值生成方法以及光传输数值仿真的空间采样约束。综合分析已有研究成果,指出各向异性湍流随机相位屏生成和光脉冲传输数值仿真还需作进一步深入研究;另外,利用并行计算设备来提高大气湍流光传输数值仿真的速度也是今后的一个研究重点。The complicated random behavior of atmospheric turbulence makes it difficult to verify the theories of optical-wave propagation in atmospheric turbulence by conducting experimental measurements. The parameters used in numerical simulations can be easily controlled; therefore numerical simulations have been used as another important tool to investigate the optical-wave propagation in atmospheric turbulence. Based on the existing literature, both the theoretical models and numerical generating methods for random phase screens of atmospheric turbulence are surveyed, and the spatial sampling constraints for numerical simulations of optical propagation in atmospheric turbulence were summarized. By comprehending the existing results, it has been pointed out that, on the one hand, more studies on numerical generating methods for random phase screens of anisotropic turbulence and numerical simulations of optical-pulse propagation in atmospheric turbulence are needed to be done; on the other hand, the application of massively parallel computing hardware to accelerate numerical simulations of optical-wave propagation in atmospheric turbulence deserves much attention in the near future.

关 键 词：大气湍流 随机相位屏 分步传输 数值仿真 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]