V.F. Dmitrikov1, A.A. Vyalov2, A.K. Nevolin3, A.Yu. Petrochenko4, D.V. Shushpanov5

1,3,5 Bonch-Bruevich Saint Petersburg State University of Telecommunications (Saint Petersburg, Russia)

2 JSC NPP Istok named after A.I. Shokin (Fryazino, Russia)

4 JSC Concern NPO Aurora (Saint Petersburg, Russia)

1 Dmitrikov_VF@mail.ru, 5 dimasf@inbox.ru