V.K. Klochko - Dr. Sc. (Eng.), Associate Professor, Professor, Ryazan State Radio Engineering University. E-mail: klochkovk@mail.ru V.P. Kuznetsov - Ph. D. (Eng.), Associate Professor, Ryazan State Radio Engineering University O.N. Makarova - Engineer of Department, Ryazan State Radio Engineering University E.P. Churakov - Dr. Sc. (Eng.), Professor, Ryazan State Radio Engineering University