S.N. Kirillov - Ph. D. (Eng), Professor, Director of Department, Department of Radio Control and Communications, Ryazan State Radio Engineering University. E-mail: kirillov.lab@gmail.com
P.S. Pokrovskij - Ph. D. (Eng), Associate Professor, Department of Radio Control and Communications, Ryazan State Radio Engineering University. E-mail: paulps@list.ru