D.S. Klyuev - Dr. Sc. (Phys.-Math.), Associate Professor, Head of Department of Electrodynamics and Antenna, Volga State University of Telecommunications and Informatics (Samara). E-mail: klyuevd@yandex.ru A.M. Nescheret - Post-graduate Student, Volga State University of Telecommunications and Informatics (Samara). E-mail: neshceret_a@list.ru O.V. Osipov - Dr. Sc. (Phys.-Math.), Associate Professor, Prorector, Volga State University of Telecommunications and Informatics (Samara). E-mail: o.osipov@psuti.ru A.O. Pocheptsov - Post-graduate Student, Volga State University of Telecommunications and Informatics (Samara). E-mail: pao@psuti.ru