Yu.N. Parshin - Dr. Sc. (Eng.), Professor, Ryazan State Radio Engineering University. E-mail: parshin.y.n@rsreu.ru V.I. Kudryashov - Post-graduate Student, Ryazan State Radio Engineering University. E-mail: yachmen@mail.ru

I. P. Kovalyov1, N. I. Kuzikova2
1, 2 Nizhny Novgorod State Technical University n.a. R.E. Alekseev (Nizhny Novgorod, Russia)

A.Yu. Parshin1, M.V. Grachev2

1,2 Ryazan’ State University (Ryazan’, Russia)

1 parshin.a.y@rsreu.ru; 2 grachev.m.v@rsreu.ru