OBIETTIVI FORMATIVI

Providing the students with a good background on the basic knowledge of fundamentals of acoustics, the principles and properties of acoustics waves propagation, transducers, acoustic subsea positioning and signal data processing, regarding the employment of main acoustics systems in the hydrographic and oceanographic fields.

OBIETTIVI FORMATIVI (DETTAGLIO) E RISULTATI DI APPRENDIMENTO

Fornire agli studenti la conoscenza delle basi teoriche di acustica e illustrare il funzionamento e gli usi dei sonar.

MODALITA' DIDATTICHE

L’attività didattica prevista dal corso sarà costituita da 16 lezioni.

PROGRAMMA/CONTENUTO

Propagation losses, Sound velocity, Acoustic field distribution, Echo generation,

Noise and reverberation, Active Sonar Theory, Electro-acoustic transducers, Need for transducer arrays, Resolutions and processing gain, The sonar equation for active systems, Seafloor Mapping and Acoustic Devices, Acoustic devices for underwater operations, Single-beam echo-sounder, Sidescan sonar, Multibeam echo-sounder, Sediment profiler

TESTI/BIBLIOGRAFIA

Xavier LURTON, An Introduction to Underwater Acoustics, Principles and  Applications, Springer-Praxis, 2002.

Ashley D. WAITE, Sonar for Practising Engineers, 3rd edition, J. Wiley & Sons, 2002.

Wiliam S. BURDIC, Underwater Acoustic System Analysis, 2nd edition, Prentice Hall,1991.

Robert J. URICK, Principles of Underwater Sound, 3rd edition, MgGraw-Hill, 1983 .

Rodney F.W. COATES, Underwater Acoustic Systems, Macmillan, 1990.W.S. Burdic.