T.E. Mikhailyuk - Post-graduate Student, Deptartment of Electronics and Biomedical Technology, Ufa State Aviation Technical University (UGATU) E-mail: realotoim@mail.ru S.V. Zhernakov - Dr.Sc. (Eng.), Professor, Head of Deptment of Electronics and Biomedical Technology, Ufa State Aviation Technical University E-mail: zhsviit@mail.ru