Probability distributions for the integrated intensity and photocount associated with a K-distribution for laser intensity.
A numerical approach is used for evaluating the probability density functions of the integrated intensity and photocount when the received laser intensity obeys a K-distribution. Different scattering strengths are considered for comparisons. Also, those probability distribution functions based on a generalized K-distribution and a lognormally modulated exponential distribution for the laser intensity are computed and compared with those based on the K-distribution. Some general trends are drawn. The accuracy of our numerical computations is also discussed.
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