Yu.N. Parshin - Dr.Sc. (Eng.), Professor, Head of Department of Radio Engineering Devices, Ryazan State Radio Engineering University. E-mail: parshin51@mail.ru S.I. Gusev - Ph.D. (Eng.), Associate Professor, Leading Research Scientist, Deptartment of Space Technologies, Department of Radio Engineering Devices, Ryazan State Radio Engineering University. E-mail: s.i.gusev@inbox.ru S.V. Kolesnikov - Senior Lecturer, Department of Radio Engineering Devices, Ryazan State Radio Engineering University. E-mail: sergey_v.k@mail.ru