S.V. Savel’ev – Ph.D. (Phys.-Math.), Senior Research Scientist, Institute Radio Engineerings and Electronic Engineers n.a. V.A. Kotelnikov of RAS (Fryazino, Moscow Region)

E-mail: savelyev@ms.ire.rssi.ru

O.V. Betskii – Dr.Sc. (Phys.-Math), Professor, Scientific Consultant, Institute Radio Engineerings and Electronic Engineers n.a. V.A. Kotelnikov of RAS (Fryazino, Moscow Region)

E-mail: betskii@yandex.ru

D.M. Ermakov – Leading Research Scientist, Institute Radio Engineerings and Electronic Engineers n.a. V.A. Kotelnikov of RAS (Fryazino, Moscow Region)

L.A. Morozova – Leading Engineer, Institute Radio Engineerings and Electronic Engineers n.a. V.A. Kotelnikov of RAS  (Fryazino, Moscow Region)