E.A. Zherebtsov - Assistant, Department «Instrumentation, Metrology and Certification», State University - Education-Science-Production Complex, Research Scientist, Scientific-Educational Center «Biomedical Engineering», Oryol. E-mail: zherebzow@gmail.com
A.V. Dunaev - Ph.D.(Eng.), Assistant Professor, Department «Instrumentation, Metrology and Certification», State University-Education-Science-Production Complex, Leading Research Scientist, Scientific-Educational Center «Biomedical Engineering»", Oryol. E-mail: dunaev@bmecenter.ru, inohvat@yandex.ru