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UNDERWATER ACOUSTIC NAVIGATION SYSTEMS AND METHODS

  • US 20110141853A1
  • Filed: 12/15/2010
  • Published: 06/16/2011
  • Est. Priority Date: 12/16/2009
  • Status: Active Grant
First Claim
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1. An underwater navigation system comprising:

  • at least two underwater acoustic transmitters transmitting position information and timing information, the underwater acoustic transmitters forming an array having a rigid structure; and

    at least one underwater receiver receiving the transmitted position information and timing information from each underwater acoustic transmitter, and calculating a location based at least in part on the received position information and timing information, wherein a ratio of a distance between the array and the underwater receiver to a greatest distance between any two of the at least two underwater acoustic transmitters in the array is greater than 10;

    1.

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