S.V. Motorina - Post-graduate Student, Department of Biotechnical Systems, Saint Petersburg Electrotechnical University «LETI» E-mail: motorina_sv@mail.ru A.N. Kalinichenko - Dr.Sc. (Eng.), Professor, Department of Biotechnical Systems, Saint Petersburg Electrotechnical University «LETI» E-mail: ank-bs@yandex.ru

N.V. Gryneva1, S.S. Mikhaylova2, A.A. Vilcul3

1–3 Financial University under the Government of the Russian Federation (Moscow, Russia)

A.A. Naumenko1, K.A. Kivva2

1, JSC “CNIRTI named after academician A.I. Berg” (Moscow, Russia)

2 Bauman Moscow State Technical University (Moscow, Russia)

1 post@cnirti.ru