Scattering and multiple scattering of acoustic waves in a stratified medium

Details Scattering and multiple scattering of acoustic waves in a stratified medium Scattering and multiple scattering of acoustic waves in a stratified medium

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988esasp.286..457r&link_type=abstract

In ESA, Seismology of the Sun and Sun-Like Stars p 457-461 (SEE N89-25819 19-92)

Computer Science

Sound

2

Acoustic Scattering, Atmospheric Stratification, Solar Atmosphere, Sound Waves, Atmospheric Models, Density Distribution, Helioseismology, Stratification

Scientific paper

The effect of an ensemble of general axisymmetric scatterers on acoustic waves in a stratified atmosphere is analyzed without using the WKB approximation. A dispersion relation valid for small filling factors is obtained. The properties of this dispersion relation are studied for scattering from density inhomogeneities in a two-layer model atmosphere. It is found that increased stratification tends to decrease the frequency perturbation induced by a population of cylindrical inhomogeneities.

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