O.B. Popov1, T.V. Chernysheva2, K.V. Orlov3, P.S. Sapronov4

1–4 Moscow Technical University of Communications and Informatics (Moscow, Russia)

1 olegp45@yandex.ru, 2 krba2012@yandex.ru, 3 kvororloff@yandex.ru, 4 pavelozone@gmail.com