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Non-invasive water current measurement system and method

  • US 6,586,748 B1
  • Filed: 06/06/2000
  • Issued: 07/01/2003
  • Est. Priority Date: 06/06/2000
  • Status: Expired due to Fees
First Claim
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1. A method for measuring water current direction and magnitude, comprising the steps of:

  • transmitting a plurality of beams of radiation radially outward from a location above a body of water, each of said plurality of beams being incident on the water'"'"'s surface at an angle with respect thereto, wherein each of said plurality of beams experiences a Doppler shift as a result of being incident on the water'"'"'s surface such that a plurality of Doppler shifts are generated; and

    measuring each of said plurality of Doppler shifts at said location wherein a largest one of said plurality of Doppler shifts is indicative of water current direction and magnitude.

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