Browsing by Author "Hovem, Jens M."
Now showing items 1-6 of 6
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A note on attenuation and dispersion in marine sediments
Hovem, Jens M. (NATO. SACLANTCEN, 1989/04)From the more recent investigations reported ill the literature, -
Detection of buried objects in the seabed: a simple model study
Hovem, Jens M. (NATO. SACLANTCEN, 1998/10)The problem of detecting an object buried in the seabed is studied by means of a simple model. In this model, the object is a rigid sphere buried in a bottom modelled as a fluid half space. The scattered field is determined ... -
Estimation of shear wave properties in the upper sea-bed using seismo-acoustical interface waves
Frivik, S. A.; Allnor, R.; Hovem, Jens M. (NATO. SACLANTCEN, 1997)Acoustic interface waves have been recorded with a bottom deployed acoustic array at several locations. High resolution array processing technique (Prony) is used to estimate velocity versus frequency for the interface ... -
Processing of broadband acoustic signals
Hovem, Jens M. (NATO. SACLANTCEN, 1972/05) -
Source and receiver responses in boreholes
Hovem, Jens M.; Lotsberg, Oddvar (NATO. SACLANTCEN, 1997)This report considers the acoustic interaction between the acoustic freld rn a borehole and the elastic field in the surrounding formation. The problem with acoustic-seismic radration of energy from a source in a fluid ... -
Two-dimensional space-series analysis for sea-floor roughness
Akal, Tuncay; Hovem, Jens M. (NATO. SACLANTCEN, 1979/10)For a quantitative description of the sea-floor roughness, a numerical method has been developed to obtain the two-dimensional power spectrum and the autocorrelation function. The determination of these parameters gives ...