Browsing Rapporter by Author "Tollefsen, Dag"
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Forsvaret i verdensrommet
Hofoss, Espen; Aarønæs, Lars; Abrahamsen, Trond; Tollefsen, Dag (2023-06)Rommet gir Forsvaret store teknologiske og strategiske muligheter – først og fremst innenfor kommunikasjon, navigasjon og overvåking. I dette magasinet kan du lese mer om disse mulighetene, og hva som må til for at vi ... -
Seabed characterization with a small towed array - simulation of system design facors
Tollefsen, Dag (2013-07-01)This report studies design factors for a small activated towed-array system for use in seabed characterization. By seabed characterization is here meant the estimation of geo-acoustic parameters including sound speed, ... -
Summary report on analysis of acoustic data from the SWASI-99 array experiment
Eidem, Ellen Johanne; Jenserud, Trond; Søstrand, Knut A.; Tollefsen, Dag (2003)The localization of underwater acoustic sources in a shallow water environment is addressed. Two array signal processing methods suitable for low-frequency signals in shallow water have been applied to data from an ...