V.P. Koryachko - Honored Scientist of RF, Dr. Sc. (Eng.), Professor, Head of Department, Ryazan State Radio Engineering University E-mail: koryachko.v.p@rsreu.ru A.P. Shibanov - Dr. Sc. (Eng.), Professor, Ryazan State Radio Engineering University E-mail: apshibanov@yandex.ru A.N. Saprikin - Ph. D. (Eng.), Associate Professor, Ryazan State Radio Engineering University E-mail: alexpizza@rambler.ru X.L. Fam - Post-graduate Student, Ryazan State Radio Engineering University E-mail: hoanglong2410@gmail.com