V.V. Berezin - Post-graduate Student, Joint Stock Company «Federal research and production center «Nizhny Novgorod Research Institute of Radio Engineering». E-mail: vvb87@yandex.ru A.M. Schitov - Dr.Sc. (Phys.-Math.), Open Joint Stock Company «Federal scientific and production center «Institute of Electronic Measurements «Kvarz» named after A. P. Gorshkov», Nizhny Novgorod. E-mail: schitoff@mail.ru

V.K. Bityukov – Dr.Sc.(Eng.), Professor, Head of Department of Theoretical Radio Engineering and Radiophysics, RTU MIREA (Moscow)

E-mail: bitukov@mirea.ru

V.A. Petrov – Dr.Sc.(Eng.), Professor, Department of Theoretical Radio Engineering and Radiophysics, RTU MIREA (Moscow) E-mail: vapetrov@mirea.ru

A.A. Sotnikova – Student, RTU MIREA (Moscow) E-mail: post-boxs@mail.ru