V.V. Zaitsev - Ph. D. (Phys.-Math.), Professor, Head of Department of Radiophysics, Samara State Aerospace University named after academician S.P. Korolev (National Research University). E-mail: zaitsev@samsu.ru Ar.V. Karlov - Leading Design Engineer, JSC «Concern «Avtomatika». E-mail: arkarlov@oao-avtomatika.ru