I.I. Vasilyeva - Assistant, Department of Mathematical Modeling and Computer Technologies, Yelets State University named after I.A. Bunin. E-mail: irinavsl@yandex.ru O.B. Gladkikh - Ph.D. (Phys.-Math.), Associate Professor, Department of Mathematical Modeling and Computer Technologies, Yelets State University named after I.A. Bunin. E-mail: og1972@rambler.ru

A.S. Grishin - Engineer, Kotel-nikov Institute of Radio Engineering; Student, Moscow Technological University MIREA E-mail: alex1995@hitech.cplire.ru A.A. Klimov - Ph.D. (Phys.-Math.), Senior Research Scientist, Kotel-nikov Institute of Radio Engineering;иAssociate Professor, Moscow Technological University MIREA G.A. Ovsyannikov - Dr.Sc. (Phys.-Math.), Head of Laboratory, Kotel-nikov Institute of Radio Engineering (Moscow) A.M. Petrzhik - Ph.D. (Phys.-Math.), Research Scientist, Kotel-nikov Institute of Radio Engineering, Moscow V. L. Preobrazhensky - Dr.Sc. (Phys.-Math.), Head of Laboratory, Wave Research Center (WRC) of Prokhorov General Physics Institute (PGPI) (Moscow) N. Tiercelin - Ph.D., Senior Research Scientist, International Associated Laboratory LEMAC-LICS: IEMN, UMR CNRS, PRES Lille Nord de France, ECLille, Villeneuve d\'Ascq, France P. Pernod - Ph.D,. Professor, Head of Laboratory, International Associated Laboratory LEMAC-LICS: IEMN, UMR CNRS, PRES Lille Nord de France, ECLille, Villeneuve d\'Ascq, France