Ivan S. Pesterev
Saint Petersburg Electrotechnical University "LETI"
Russian Federation

Ivan S. Pesterev – Master’s Degree in Engineering in Instrumentation Technology (2015), Postgraduate student of the Department of Electroacoustics and Ultrasonic Technics of Saint Petersburg Electrotechnical University "LETI". The author of 8 scientific publications. Area of expertise: research and development of electro-acoustic transducers and electric excitation signals forming systems.

5, Professor Popov Str., 197376, St. Petersburg, Russia

Boris G. Stepanov
Saint Petersburg Electrotechnical University "LETI"
Russian Federation

Boris G. Stepanov – Ph.D. in Engineering (1987), Associate Professor (1996) of the Department of Electroacoustics and Ultrasonic Technics of Saint Petersburg Electrotechnical University "LETI". The author of more than 100 scientific publications. Area of expertise: research and development of various electro-acoustic transducers and systems with predetermined directionality, and frequency properties.

5, Professor Popov Str., 197376, St. Petersburg, Russia