Geometrical Aspects of Scattering and Physical Effects of Sound
Abstract
Research is reported into the causes of various scattering enhancements from a variety of targets in water including cylindrical and spherical metallic shells, circular plates, solid cylinders, and plastic or rubber targets for various shapes. Some of the enhancements are relevant to interpreting sonar images. Quantitative ray theory was developed to predict the observed scattering amplitudes. Acoustic holography was used to confirm the modeled plate response. Measurement methods developed include: wide bandwidth acoustic sources, helicoidal acoustic wave sources, and magnetic methods for exciting torsional and flexural modes. Other research concerned the acoustics of suspended particles and caustics and related research on light scattering and bubbles.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 2002
- Accession Number
- ADA400699
Entities
People
- Philip L Marston
Organizations
- Washington State University