R.G. Magdeev - post-graduate student of Ulyanovsk State Technical University. E-mail: radiktkd2@yandex.ru
A.G. Tashlinskii - Dr. Sci. (Eng.), Professor, head of Radio engineering department, Ulyanovsk State Technical University. E-mail: tag@ulstu.ru

D.G. Lapitan, A.A. Glazkov, D.A. Rogatkin

Moscow Regional Research and Clinical Institute (MONIKI) n.a. M.F. Vladimirskiy (Moscow, Russian Federation)