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用概率理论研究了湍流大气中传播激光束心抖动概率分布和抖动导致点孔检测平均光强起伏概率分布．结果表明，二维束心抖动概率满足Ｒｉｃｉａｎ分布而点孔检测平均光强的起伏满足Ｇａｍｍａ分布．
Probability theory is used to study the probability distribution of jitter of the propagating laser beam in the turbulent atmosphere and the probability distribution of the average light intensity fluctuation caused by jitter. The results show that the jitter probability of two-dimensional beam center satisfies the Rician distribution and the average light intensity of the hole detection meets the Gamma distribution.