V.A. Neganov - Dr. Sc. (Phys.-Math.), Professor, Head of Department «Fundamentals of Designing and Technology of Radio Engineering Systems», Volga State University of Telecommunications and Informatics (Samara). E-mail: neganov-samara@yandex.ru A.G. Mayorov - Post-graduate Student, Department «Fundamentals of Designing and Technology of Radio Engineering Systems», Volga State University of Telecommunications and Informatics (Samara). E-mail: andreyka.mayorov.92@mail.ru