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http://dx.doi.org/10.5369/JSST.2006.15.6.442

Characterization of three-dimensional ultrasonic anemometer using phase measurement  

Park, Do-Hyun (School of Electronics and Information, Institute for Laser Engineering, Kyung Hee University)
Yeh, Yun-Hae (School of Electronics and Information, Institute for Laser Engineering, Kyung Hee University)
Publication Information
Journal of Sensor Science and Technology / v.15, no.6, 2006 , pp. 442-448 More about this Journal
Abstract
Ultrasonic anemometers using pulse envelope detection-based method are standard instruments in most meteorological studies. In this paper, a new phase measurement method is tried to achieve the enhanced resolution without changing dimensions. The measurement sensitivity, dynamic range, and measurement speed of the new instrument are 0.2 mm/s, 13.3 m/s, and 13 measurements/sec, respectively. A graphic user interface is added to show the velocity and direction of the wind with the speed of sound and temperature of the wind in the 3 dimensional space. The new anemometer could be useful for the measurement of the air speed, the flow of fluids, and even air flow inside the downtown buildings.
Keywords
anemometer; ultrasonic; 3D;
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