A.P. Trifonov - Dr. Sc. (Eng.), Professor, Head of Department of Radiophysics, Voronezh State University. E-mail: trifonov@phys.vsu.ru M.B. Bespalova - Ph. D. (Phys.-Math.), Associate Professor, Department of Radiophysics, Voronezh State University. E-mail: bmb5@yandex.ru P.A. Trifonov - Dr. Sc. (Eng.), Associate Professor, Department of Electronic Warfare, MESC «Zhukovsky-Gagarin Air Force Academy» (Voronezh). E-mail: bk_123@bk.ru