V.P. Plessky - Dr. Sc. (Phys.-Math.), Professor, Director of «GVR Trade SA» (Switzerland). E-mail: victor.plessky@gmail.com Yu.V. Gulyaev - Academic of RAS, Scientific Adviser, Kotel\'nikov IRE of RAS (Moscow). E-mail: gulyaev@cplire.ru

S.A. Doberstein1, I.V. Veremeev2, V.K. Razgonyaev3

1,2 Omsk Scientific-Research Institute of Instrument Engineering (Omsk, Russia)

1–3 Omsk Scientific Center SB RAS (Institute of Radiophysics and Physical Electronics) (Omsk, Russia)