A.V. Frolov – Junior Research Scientist, 

Kotel’nikov Institute of Radio Engineering and Electronics of RAS (Moscow)

E-mail: fralek@mail.ru

A.P. Orlov – Ph.D. (Phys.-Math.), Senior Research Scientist, 

Kotel’nikov Institute of Radio Engineering and Electronics of RAS (Moscow)

V.A. Shakhunov – Ph.D. (Eng.), Senior Research Scientist, 

Kotel’nikov Institute of Radio Engineering and Electronics of RAS (Moscow)

A.A. Sinchenko – Dr.Sc. (Phys.-Math.), Leading Research Scientist, 

Kotel’nikov Institute of Radio Engineering and Electronics of RAS (Moscow)