A. V. Bogoslovskiy, I. V. Zhigulina, O. E. Kopylov, V. A. Yakovlev
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
