A.Yu. Baraboshin – Head of Laboratory, Saratov branch of Radio Research and Development Institute E-mail: bay@soniir.ru
V.Ya. Nikolaeva – Engineer, Saratov branch of Radio Research and Development Institute
E-mail: nikolaeva_v_94@mail.ru
A.P. Trofimov – Ph.D.(Eng.), Senior Research Scientist, Saratov branch of Radio Research and Development Institute E-mail: tap@soniir.ru
V.V. Yudin – Dr.Sc.(Eng.), Professor, Head of Laboratory, Saratov branch of Radio Research and Development Institute E-mail: uvv@soniir.ru