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    • Swath bathymetry and SAS autofocus using a Chirp source 

      Shippey, Geoffrey; Kröling, Olle (NATO. SACLANTCEN, 1997)
      Swath bathymetry and SAS autofocus can both be treated as problems in correlating echoes from a scatterer distribution on the seabed. Using a chirp source, the phase derived from quadrature match-filtering can replace the ...