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 ...