V.V. Chapursky1, M.I. Noniashvili2, G.P. Slukin3, A.A. Filatov4

1–4 NII RET Bauman Moscow State Technical University (Moscow, Russia)

1 valch2008@yandex.ru, 2 niiret@bmstu.ru, 3 niiret@bmstu.ru, 4 filatov@bmstu.ru