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SONAR METHOD AND APPARATUS

  • US 20160084947A1
  • Filed: 04/10/2014
  • Published: 03/24/2016
  • Est. Priority Date: 04/16/2013
  • Status: Abandoned Application
First Claim
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1. A method of calibrating a side scan sonar system, said system comprising a sonar transducer, said method comprising the steps of:

  • allowing the sonar transducer to roll with respect to the plane of a reference surface to be scanned;

    measuring the roll angle of the transducer during collection of backscattered sonar data from the surface to be scanned;

    using backscattered sonar data from a range of transducer roll angles and the measured roll angle to decouple the operating characteristics of the transducer from the angular backscatter characteristics of the reference surface;

    thereby obtaining an estimate of the operating characteristics of the transducer.

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