D.V. Nefedov - Ph.D. (Eng.), Researcher, Saratov branch of the Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences. E-mail: nefedov_dv@rambler.ru
S.Y. Suzdaltsev - Ph.D. (Eng.), Senior Researcher, Saratov branch of the Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences

V.Ya. Shanygin - Senior Engineer, Saratov branch of Kotelnikov IRE RAS. E-mail: vitairerun@mail.ru R.K. Yafarov - Dr.Sc. (Eng.), Head of Laboratory, Saratov branch of Kotelnikov IRE RAS S.Yu. Suzdaltsev - Ph.D. (Eng.), Senior Research Scientist, Saratov branch of Kotelnikov IRE RAS D.V. Nefedov - Ph.D. (Eng.), Research Scientist, Saratov branch of Kotelnikov IRE RAS

D.V. Nefedov - Ph.D. (Eng.), Researcher, Saratov Branch of the Kotel-nikov Institute of Radio Engineering and Electronics Russian Academy of Science E-mail: nefedov_dv@rambler.ru S.Y. Suzdaltsev - Ph.D. (Eng.), Senior Research Scientist, Saratov Branch of the Kotel-nikov Institute of Radio Engineering and Electronics Russian Academy of Science V.Y. Shanygin - Senior Engineer, Saratov Branch of the Kotel-nikov Institute of Radio Engineering and Electronics Russian Academy of Science R.K. Yafarov - Dr.Sc. (Eng.), Professor, Head of the Laboratory, Saratov Branch of the Kotel-nikov Institute of Radio Engineering and Electronics Russian Academy of Science