I.Yu. Tatsenko¹, N.A. Melnikov², A.A. Emelyanov³, A. B. Ustinov⁴
¹‧²‧⁴Saint Petersburg Electrotechnical University (Saint Petersburg, Russia)
³JSC "KNIRTI" (Zhukov, Kaluga Region, Russia)
¹abitur.tatsenko@mail.ru, ²nikitamelnikov2503@gmail.com, ⁴Ustinov_rus@yahoo.com