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

A.V. Smolyakov1, A.S. Podstrigaev2

1,2 Saint Petersburg Electrotechnical University "LETI" (Saint Petersburg, Russia)