M.N. Andrianov - Ph.D. (Eng.), Senior Research Scientist, Kotel'nikov Institute of Radioengineering and Electronics (IRE) of Russian Academy of Sciences, Moscow. E-mail: mihail-andrian@mail.ru
A.A. Potapov - Dr.Sc. (Phys.-Math.), Professor, Academician of RAES named by A.M. Prokhorov and RANS, Chief Research Scientist, Kotel'nikov Institute of Radioengineering and Electronics (IRE) of Russian Academy of Sciences, Moscow