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Method and apparatus for remote measurement of wind direction and speed in the atmosphere

  • US 4,351,188 A
  • Filed: 05/28/1981
  • Issued: 09/28/1982
  • Est. Priority Date: 05/30/1980
  • Status: Expired due to Fees
First Claim
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1. A method for the measurement of wind direction and speed at high altitudes in the atmosphere, comprising the steps of transmitting vertically into the atmosphere a pulse of acoustic waves from an acoustic wave source installed on the ground thereby causing the pulse of acoustic wave to produce spherical wavefronts, transmitting continuous radio waves from a radio wave source installed on the ground toward the spherical wavefronts thereby enabling the radio waves to be reflected by the spherical wavefronts, detecting the position of the reflected radio waves formed as a focusing spot on the ground, tracing the time-course change of the positions of maximum intensity of the focusing spot of the reflected radio waves, and calculating the height distribution of wind direction and speed in the atmospheric region based on the time-course change of the position of the focusing spot.

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