D. I. Voskpesenskiy - Ph.D. (Eng.), Professor, Head of Department of Radiophysics, Antennas and Microwave Technique of Moscow Aviation Institute. E-mail: voskr@mai.ru
E. V. Ovchinnikova - C.Sc. (Eng.), Associate Professor of Moscow Aviation Institute, Department of Radiophysics, Antennas and Microwave Technique. E-mail: oea8888@gmail.com
Bui Cao Ninh - Postgraduate Student of Moscow Aviation Institute, Department of Radiophysics, Antennas and Microwave Technique. E-mail: buicaoninh@gmail.com