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. 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. E-mail: victorvkulagin@yandex.ru V.A. Cherepenin - Dr. Sc. (Phys.-Math.), Professor, Corresponding Memeber of RAS, Deputy Director of Kotel\'nikov Institute of Radioengineering and Electronics of RAS. E-mail: cher@cplire.ru