V.A. Kovalev, I.V. Kovalev
V. S. Bocharov - Head of Laboratory, OJSC "NIIEM"
A. G. Generalov - Head of Department, OJSC "NIIEM"
E. V. Gadzhiev - Post-graduate Student, Department of Radiophysics, Antennas and Microwave Technique, Moscow Aviation Institute (National Research University); Senior Research Scientist, OJSC "NIIEM" (Istra). E-mail: otd24@niiem.ru
