A.D. Akchurin1, D.F. Khasanov2, A.L. Sapaev3, A.I. Borshchevskiy4
1–3 Kazan (Volga Region) Federal University (Kazan, Russia)
4 NPO Radioelectronics named after V.I. Shimko (Kazan, Russia)
1 adel.akchurin@kpfu.ru, 2 khasanv-danir@yandex.ru, 3 sal_16@mail.ru, 4 avgustb@mail.ru