M.V. Davidovich - Dr. Sc. (Phys.-Math.), Professor, Department of Radiotechnique and Electrodynamics, Faculty of Physics, Saratov State University named after N.G. Chernyshevsky. E-mail: DavidovichMV@info.sgu.ru

M.V. Davidovich - Dr. Sc. (Phys.-Math.), Professor, Department of Radiotechnique and Electrodynamics, Saratov State University named after N.G. Chernyshevsky. E-mail: davidovichmv@info.sgu.ru

M.V. Davidovich - Dr. Sc. (Phys.-Math.), Professor, Department of Radiotechnique and Electrodynamics, Saratov State University named after N.G. Chernyshevsky. E-mail: davidovichmv@info.sgu.ru

V.M. Kolomin1, I.V. Filippov2, A.A. Smirnova3, V.N. Rybkin4, N.S. Karasev5, V.A. Iovdalsky6, V.P. Marin7

1–6 JSC NPP “Istok n. a. Shokin” (Fryazino, Russia)
2 Russian Technological University (RTU) MIREA (Moscow, Russia)
1 vmkolomin@istokmw.ru, 2 teh.buro208@gmail.com