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** Description:** Following is the technique of error vector simulation modeling in discrete binary communication channel and the results of processing of such a vector with obtaining of statistical estimates for separate probabilistic characteristics. The error source is presented by the vector of probability conditions and the vector of conditional probability of errors in every condition. These parameters are formed based on the created functions of error frequency distribution in discrete channels when using of different communication lines (cable, decametric range radio communication). Based on processing of the formed error vectors we obtained the statistical estimates for probability of reception of a block of n-bit length without errors and probability of reception of a block of n-bit length with errors of different fixed multiplicity.

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Keywords:
** vector of errors, created function of distribution, probability of reception of block without errors, probability of reception of block with errors of fixed multiplicity

Lohvynenko, M.F., Pidiachyi, H.Yu. and Svitlychnyi, V.A. (2008), “Modeliuvannia dii dzherel zavad v dyskretnykh binarnykh kanalakh zviazku”,