О.V. Chernoyarov - Dr. Sci. (Phys.-Math.), Department of Radio engineering Devices, National Research University "MPEI". E-mail: o_v_ch@mail.ru
А.Е. Rozanov - Post-graduate Student, Department of Radio engineering Devices, National Research University "MPEI"
А.V. Salnikova - applicant for Ph.D. in radio engineering, Department of Radio engineering Devices, National Research University "MPEI"

N.A. Usov1 

1 Military Academy of Communications name after Marshal оf the Soviet Union S.M. Budyonny (St.-Petersburg, Russia)