PH4455: Sound Propagation in the Ocean - NPS Online
Sound Propagation in the Ocean
Course #PH4455
Est.imated Completion Time: 3 months
POC: NPS Online Support
Overview
An advanced treatment of the subject. Topics include: reflection of spherical waves from ocean boundaries; normal mode propagation of sound; inhomogeneous wave equation and the point source in cylindrical coordinates; shallow water channel with fluid and solid bottoms; the deep sound channel and the WKB approximation; range-dependent channels; adiabatic normal modes and the parabolic equation; multi-path propagation; application to matched field processing and source localization.
Included in degrees & certificates
- 535
Prerequisites
- PH3452
Learning Outcomes
Upon successful completion of this course, a student will be able to:
- Calculate plane-wave reflection coefficient at a fluid-solid interface and from a set of fluid layers;
- Calculate the wave field, including head waves, at reflection of a spherical sound wave from a fluid-fluid or fluid-solid interface;
- Obtain the normal-mode and ray-theoretical solutions of the acoustic wave equations in shallow and deep water;
- Assess the sensitivity of various acoustic observables to variations and uncertainties in the environmental parameters;
- Assess significance of horizontal refraction and 3-D effects in typical propagation scenarios;
- Evaluate and interpret various underwater propagation phenomena;
- Compute basic solutions to the acoustic wave equation in the narrow- and wide-angle parabolic approximations;
- Identify the limitations of different numerical prediction algorithms.
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