S.I. Smetanin - Post-graduate Student, Chair of Electronics, Vladivostok State University of Economy and Service. E-mail: Sardo1@mail.ru V.A. Ignatyuk - Dr.Sc. (Phys.-Math.), Professor, Chair of Electronics, Vladivostok State University of Economy and Service. E-mail: viktor.ignatyuk@vvsu.ru A.L. Ganyushkin - Post-graduate Student, Chair of Electronics, Vladivostok State University of Economy and Service