R.M. Nemkov - Post-graduate Student, Department of Information Systems and Technologies, North-Caucasus Fed-eral University (Stavropol). E-mail: nemkov.roman@yandex.ru O.S. Mezentseva - Ph.D. (Phys.-Math.), Associate Professor, Professor, Department of Information Systems and Technologies, North-Caucasus Federal University (Stavropol). E-mail: mos@ncstu.ru

A.V. Bogoslovsky - Dr. Sc. (Eng.), Professor, Department of Higher Mathematics, Tambov state technical University. E-mail: p-digim@mail.ru I.V. Zhigulina - Ph. D. (Eng.), Associate Professor, Department of Applied Mathematics and Mechanics, Tambov state technical University. E-mail: irazhigulina@gmail.com I.S. Maslov - Post-graduate Student, Department of Radio Engineering, Tambov state technical University. E-mail: klewer_tambov@mail.ru