P.I. Begun - Doctor of Engineering, professor of chair of applied mechanics and engineering graphics of the St. Petersburg state electrotechnical university «LETI» of V.I. Ulyanov (Lenin). E-mail: begun@fromru.com
O.V. Krivokhizhina - Candidate of Technical Sciences, associate professor of medical radio electronics of St. Petersburg State University of Aerospace Instrumentatin (GUAP). E-mail: krivohizhinaov@gmail.com
A.V. Zyablitskiy - engineer of chair of medical radio electronics of St. Petersburg State University of space instrument making (GUAP)