R.P. Bystrov - Dr.Sc. (Eng.), Professor, Leading Research Scientist, Institute of Radio Engineering and Electronics of V.A. Kotelnikov of the Russian Academy of Sciences. E-mail: rudolf@cplire.ru В.Е. Kuzmichev - Ph.D. (Eng.), Senior Research Scientist, Institute of Radio Engineering and Electronics of V.A. Kotelnikov of the Russian Academy of Sciences. E-mail: vekuzmichev@yandex.ru