A.M. Afanasiev  Dr.Sc. (Eng.), Associate Professor, Department of Information Security, Institute of Priority Technologies of the Volgograd State University  E-mail: a.m.afanasiev@yandex.ru  

B.N. Siplivy  Dr.Sc. (Eng.), Professor, Department of Theoretical Physics and Wave Processes, Deputy Director, Physico-Technical Institute of Science of the Volgograd State University  E-mail: tf@volsu.ru