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    • Computer models for underwater sound propagation 

      DiNapoli, Frederick R. (NATO. SACLANTCEN, 1975/10)
      The state of affairs of computer models for underwater sound propagation loss estimation is discussed from the viewpoints of two segments of the sonar community; i.e., (1) those who develop the models and are primarily ...
    • Ocean-bottom reflectivity (a point of view) 

      Santaniello, S. R.; DiNapoli, Frederick R. (NATO. SACLANTCEN, 1975/10)
      The analysis procedures for extracting bottom loss values from pulsed acoustic signals that have interacted with the ocean bottom do not inherently consider sub-bottom refraction and reflection of sound, which are important ...