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