V.S. Gurov - Dr. Sc. (Eng.), Professor, Rector of Ryazan State Radio Engineering University. E-mail: gurov.v.s@rsreu.ru M.V. Dubkov - Ph. D. (Eng.), Associate Professor, Pro-rector of Ryazan State Radio Engineering University. E-mail: dubkov.m.v@rsreu.ru M.A. Burobin - Ph. D. (Eng.), Associate Professor, Deputy Head of Department, Ryazan State Radio Engineering University. E-mail: burobin.mikhail@yandex.ru V.V. Ivanov - Ph. D. (Eng.), Associate Professor, Ryazan State Radio Engineering University. E-mail: vladimir.nvi@gmail.com