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DEVELOPMENT OF A PROGRAM FOR CALCULATING ADDITIONAL DISTORTIONS FOR VARIOUS MODELS OF ERRORS
Anastasia Yu. Kudryashova, Moscow Technical University of Communications and Informatics, Moscow, Russia, asykka@bk.ru
Abstract
When transmitting signals from a source to a receiver, their multiple transformations take place. At the same time, various types of bijection of spaces in which signals are displayed allow minimizing additional distortions arising from errors in a discrete communication channel, or reducing the probability of a bit error when distortions occur in a continuous communication channel. This optimization of the choice of the bijection type is largely determined by the error model or, respectively, by the model of the acting noise, which cannot always be displayed in the form of an analytical expression, with the help of which the necessary transformations and calculations can be carried out in the future. In this regard, it is advisable to develop a software model in which it is possible to specify various types of errors, for which further calculations of the optimal types of bijection of spaces that minimize the probability of bit errors, or, accordingly, the amount of additional distortions, can be carried out. This article discusses the problems associated with evaluating the efficient coding of a signal source. For this, an algorithm and a program for evaluating the effective coding of a signal source for the currently widely used analog-to-digital conversion of a continuous signal into a binary signal are proposed. The results of this study will be useful in this in the implementation of the optimization of the arising distortions taking into account all influencing factors in the system as a whole.
Keywords: coding of the original message, transformation of the metric space, primary coding, search algorithm for the best coding option, minimization of errors in signal conversion.
References
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Information about author:
Anastasia Yu. Kudryashova, post-graduate student, Moscow Technical University of Communications and Informatics (MTUCI), Moscow, Russia