TECHNICAL FACILITIES FOR ENSURING SECURITY
Investigation of the acoustic characteristics of layered structures in an aquatic environment
- 1 Institute of Metal Science Equipment and Technologies with Hydro-and Aerodynamics Centre “Acad. A Balevski”- Bulgarian Academy of Sciences - Sofia, Bulgaria
Abstract
The coefficients of reflection of acoustic signals from layered structures in an aqueous medium are determined. The measurements were made in the frequency range from 80kHz to 120kHz. The obtained results were used to reduce the sonar visibility of objects in the aquatic environment.
Keywords
References
- Brekhovsky LM "Ocean Acoustics", ed. Science, Moscow, 1974.