S. I. Smetanin - Post-graduate Student, Department of Electronics, Vladivostok State University of Economics and Service, Vladivostok. E-mail: viktor.ignatyuk@vvsu.ru
V. A. Ignatyuk - Dr.Sc. (Phys.-Math.), Professor, Department of Electronics, Vladivostok State University of Economics and Service, Vladivostok. E-mail: Sardo1@mail.ru
Yu. A. Levashov - Associate Professor, Department of Electronics, Vladivostok State University of Economics and Service, Vladivostok. E-mail: yure.levashov@vvs.ru