A.G. Tashlinskii - Dr. Sci. (Eng.), professor, head of Radio engineering department, Ulyanovsk State Technical University. E-mail: tag@ulstu.ru
P.V. Smirnov - Post-graduate student, Ulyanovsk State Technical University. E-mail: rtcis@mail.ru

P.V. Smirnov - Post-graduate Student, Ulyanovsk State Technical University A.G. Tashlinskii - Dr. Sc. (Eng.), Professor, Head of Department «Radio Engineering», Ulyanovsk State Technical University