Title :
Prediction system for acoustic returns from ocean bathymetry
Author :
Haines, L.C. ; Renner, W.W. ; Eller, A.I.
Author_Institution :
Sci. Appl. Int. Corp., McLean, VA, USA
fDate :
31 Oct-2 Nov 1988
Abstract :
A real-time capability for predicting ocean-bottom acoustic returns (reflections and backscatter) has been developed for at-sea support of acoustical ocean surveys. The system operates on an HP-9020 desktop computer and provides color screen displays of predicted bottom reverberation as well as echoes from seamounts. Predictions are based on gridded archival databases which can vary with location. A special dual-resolution approach has been devised to provide a high-resolution depiction of the seamount returns in conjunction with a lower-resolution presentation of the reverberation from the slowly varying bottom features. This approach allows large ocean areas to be covered in reasonable computation time
Keywords :
Hewlett Packard computers; acoustic wave reflection; backscatter; bathymetry; computerised picture processing; geophysics computing; microcomputer applications; oceanographic techniques; optical resolving power; real-time systems; reverberation; underwater sound; HP-9020 desktop computer; acoustic returns; backscatter; colour screen displays; computation time; gridded archival databases; ocean bathymetry; real-time prediction system; reflections; resolution; reverberation; seamounts; Acoustic reflection; Acoustic scattering; Azimuth; Backscatter; Computer displays; Decision support systems; Displays; Marine vehicles; Oceanographic techniques; Oceans; Physics; Reverberation; Sea surface; Spatial databases; Tiles;
Conference_Titel :
OCEANS '88. A Partnership of Marine Interests. Proceedings
Conference_Location :
Baltimore, MD
DOI :
10.1109/OCEANS.1988.23515
