A.Kh. Gilmutdinov - Dr.Sc. (Eng.), Associate Professor, Kazan National Technical Research University named after A.N. Tupolev. E-mail: agilmutdinov@rambler.ru
M.M. Gil-metdinov - Ph.D. candidate, Kazan National Technical Research University named after A.N. Tupolev. E-mail: marat-kzn@list.ru
A.R. Gabdullina - Student, Moscow Institute of Physics and Technology (State University). E-mail: alien08_93@mail.ru
O.N. Smolnikova - Ph. D. (Eng.), Associate Professor, Moscow Aviation Institute; Head of Department, JSC «Radiofizika». E-mail: smon2012@mail.ru
S.P. Skobelev - Ph. D. (Eng.), Leading Research Scientist, JSC «Radiofizika»; Associate Professor, Moscow Institute of Physics and Technology (State University). E-mail: s.p.skobelev@mail.ru
