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    • An experimental study of sediment discrimination using 1st and 2nd echoes 

      Dyer, C.; Murphy, K.; Heald, G.; Pace, N. (NATO. SACLANTCEN, 1997)
      Analysis of Roxann seabed classification data, at 24 kHz and 200 kHz, using co-located echosounders is presented. Timeseries backscater data gathered at the same time as the Roxann data has also been anal~sed using variations ...