Acoustic doppler channel flow measurement device

  • US 20030076742A1
  • Filed: 08/27/2002
  • Published: 04/24/2003
  • Est. Priority Date: 08/28/2001
  • Status: Active Grant
First Claim
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1. A Doppler sonar flow measurement system comprising:

  • a transducer assembly mounted on a platform wherein the transducer assembly is adapted to transmit two or more different frequency acoustic signals underwater and then receive backscattered echoes of the acoustic signals;

    an electronic assembly that drives the transducer assembly to generate the two or more different frequency acoustic signals, and processes the echoes so as to determine relative velocity of underwater characteristics of a river flowing in a defined channel; and

    a housing assembly that houses the transducer assembly so as to reduce the disturbance of the flow of the river caused by the sonar system.

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