N.A. Cherepanova - Student, Department «Radio Systems», Tomsk State University of Control Systems and Radioelectronics E-mail: b.a.d.wolf@yandex.ru F.N. Zakharov - Ph.D. (Eng.), Research Scientist, Department «Radio Systems», Tomsk State University of Control Systems and Radioelectronics E-mail: ZakharovFN@main.tusur.ru