Perturbation theory applied to sound scattering from a rough sea-floor

dc.contributor.author	Essen, Heinz-Hermann
dc.date.accessioned	2018-10-11T14:06:48Z
dc.date.available	2018-10-11T14:06:48Z
dc.date.issued	1992/09
dc.identifier	1974
dc.identifier.govdoc	SR-194
dc.identifier.uri	http://hdl.handle.net/20.500.12489/299
dc.description.abstract	Perturbation theory is applied to acoustic scattering from a rough sedimental sea-floor. Realistic
dc.description.abstract	boundary conditions are used, i.e. continuity of pressure and the normal component of particle
dc.description.abstract	velocity. The scattering strength as a function of grazing and azimuthal angle of incident and scattered energy is derived, depending on acoustic frequency, the two-dimensional roughness spectrum of the sea-floor and the ratios of sound velocity and density of the sediment to water. For the special case of backscattering, theoretical scattering coefficients are compared with measured data from the literature. Under reasonable assumptions on the sea-floor parameters, good agreement between theory and measurement can be achieved.
dc.format	27 p. : ill. ; 7 fig.
dc.language	English
dc.publisher	NATO. SACLANTCEN
dc.relation.ispartofseries	ADB171007
dc.subject	Acoustic scattering
dc.subject	Seafloor
dc.title	Perturbation theory applied to sound scattering from a rough sea-floor
dc.type	Scientific Report (SR)