V.V. Komarov – Dr.Sc.(Eng.), Professor, Department «Radio Electronics and Telecommunications», 

Yuri Gagarin State Technical University of Saratov

E-mail: vyacheslav.komarov@gmail.com

S.K. Bushanskiy – Post-graduate Student, Yuri Gagarin State Technical University of Saratov E-mail: 8908_07@mail.ru