M.M. Khanukaev – Ph.D. (Eng.), Associate Professor, 

Department “Instrument Engineering and Biomedical Engineering”, Don State Technical University (Rostov-on-Don)

E-mail: puristeril@gmail.com

S.A. Kulaga – Student, 

Department “Instrument Engineering and Biomedical Engineering”, Don State Technical University (Rostov-on-Don)

E-mail: sofya.kulaga@yandex.ru