A.A. Zhilnikov - Engineer, Department of Information-Measurement and Biomedical Engineering, Ryazan State Radio Engineering University. E-mail: ark9876@mail.ru T.A. Zhilnikov - Ph. D.(Eng.), Associate Professor. E-mail: quadrus02@mail.ru . V.I. Zhulev - Dr. Sc. (Eng.), Professor, Head of Department of Information-Measurement and Biomedical Engineering, Ryazan State Radio Engineering University. E-mail: iit@rgrtu.ryazan.ru