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