Random fluctuation of turbulence brings random fluctuation of refractive index and makes atmosphere become a random fluctuation medium, which destroys the coherence of light-wave.
大气湍流对光波传播的影响主要是由于大气随机起伏的湍流引起折射率的随机起伏，破坏了光波的相干性。
This paper deals with the problems of the optimal control of the airplane landing in presence of atmospheric turbulence with application of the theory and methods of random optimal control.
论述了应用随机最优控制理论的基本原理和方法，解决飞机在大气紊流中着陆的控制问题。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
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