V.A. Vdovin - Ph.D. (Phys.-Math.), Leading Research Scientist, Kotel'nikov Institute of Radioengineering and Electronics of RAS. E-mail: vdv@cplire.ru
V.V. Kulagin - Ph.D. (Phys.-Math.), Senior Research Scientist, Kotel'nikov Institute of Radioengineering and Electronics of RAS; Sternberg Astronomical Institute of Moscow State University; Sternberg Astronomical Institute, Moscow. E-mail: victorvkulagin@yandex.ru
E.V. Mitrofanov - Post-graduate Student, Kotel'nikov Institute of Radioengineering and Electronics of RAS. E-mail: mitrjohn@inbox.ru
V.A. Cherepenin - Dr.Sc. (Phys.-Math.), Professor, Corresponding Member RAS, Kotel'nikov Institute of Radioengineering and Electronics of RAS. E-mail: cher@cplire.ru

E.V. Mitrofanov - Post-graduate Student, Graduate Research Scientist, Kotel\'nikov Institute of Radioengineering and Electronics of RAS. E-mail: mitrofanov_ireran@mail.ru V.A. Cherepenin - Dr. Sc. (Phys.-Math.), Professor, Corresponding Member of RAS, Kotel\'nikov Institute of Radioengineering and Electronics of RAS. E-mail: cher@cplire.ru

E.V. Mitrofanov - Post-graduate Student, Trainee Researcher, Kotelnikov IRE RAS (Moscow). E-mail: mitrofanov_ireran@mail.ru V.A. Cherepenin - Dr.Sc. (Phys. Math.), Professor, Kotelnikov IRE RAS (Moscow). E-mail: cher@cplire.ru