M.E. Belkin - Sc.Dr. (Eng.), Professor, Moscow State Technical University of Radio-Engineering, Electronics and Automation E-mail: belkin@mirea.ru T.N.Bakhvalova - Post-graduate Student, Moscow State Technical University of Radio-Engineering, Electronics and Automation I.V. Khmelnitski - Graduate Researcher, Moscow State Technical University of Radio-Engineering, Electronics and Automation

V.V. Ivanov¹, G.S. Voronkov², A.G. Zakoyan³, I.V. Stepanov⁴, A.V. Voronkova⁵, R.V. Kutluyarov⁶, E.P. Grakhovna⁷

1−7 Ufa University of Science and Technology (Ufa, Russia)

A.A. Nikitin1, V.V. Vitko2, A.A. Emelyanov3, A.B. Ustinov4

1–4 Saint-Petersburg State Electrotechnical University (LETI) (Saint Petersburg, Russia)

3 JSC «KNIRTI» (Zhukov of Kaluga Region, Russia)

1aanikitin@etu.ru, 2vitaliy.vitko@gmail.com, 3eaa15@knirti.ru, 4Ustinov_rus@yahoo.com