E.V. Silyakov – Ph.D.(Eng.), Associate Professor, Saint-Petersburg State University of Aerospace Instrumentation E-mail: evgeniy.silyakov@gmail.com

N.V. Povarenkin – Ph.D.(Eng.), Associate Professor, Head of Department, 

Saint-Petersburg State University of Aerospace Instrumentation E-mail: povarenkin.nv@guap.ru