V.V. Akhiyarov1, E.A. Ishchenko2, Yu.G. Pasternak3

1 JSC “SPC “SRI of Long-Distance Radio Communications” (Moscow, Russia)

2,3 Voronezh State Technical University (Voronezh, Russia)

1 vakhiyarov@gmail.com; 2 kursk1998@yandex.ru; 3 pasternakyg@mail.ru