S.A, Antonov1, S.S. Golubev2, A.B. Nemov3

1,2 JSC “Radar mms” (St-Petersburg, Russia)

3 JSC “GOZ “Obukhov Plant” (St-Petersburg, Russia)

1 artem antonov 92@mail.ru; 2 golubev-savva@mail.ru; 3 an.nilov2011@yandex.ru