D.V. Vasilieva1, S.V. Dvornikov2

1 St. Petersburg State University of Aerospace Instrument Engineering (St. Petersburg, Russia)

2 The Military Academy of Communications n.а. Marshal of the Soviet Union S.M. Budyonny (St. Petersburg, Russia)

1 dolli.dina@mail.ru; 2 practicdsv@yandex.ru

D.V. Vasilieva1

1St. Petersburg State University of Aerospace Instrumentation (St. Petersburg, Russia)

1dolli.dina@mail.ru