Wind Profilers
*Wind Profilers*
Wind profilers measure wind speed and direction in a vertical column above the wind profiler antenna. They are sometimes referred to as "virtual meteorological towers".
The operation principle of a wind profiler is based on the scattering of waves at inhomogeneities in the air. The travel time of the wave from the antenna to the scatterer and back to the antenna determines the height at which the measurement is taken. The Doppler frequency shift of the reflected wave determines the wind speed along the propagation direction of the wave. By emitting beams of waves into different directions, the three-dimensional wind vector is calculated and given. Not only the average wind but also turbulent fluctuations can be assessed.
All Scintec wind profilers use wavelengths which are much longer than cloud droplets or precipitation particles. This makes them operable in any weather condition including clouds, rain, snow and fog, which differs from optical instruments such as lidars.
There are two classes of instruments: Radar wind profilers using electromagnetic waves and sodar wind profilers using acoustic waves. Radar wind profilers can measure at larger altitudes while sodar wind profilers can measure at shorter vertical distance from the antenna. Radar and sodar wind profilers can be combined if a wide span of vertical measurement range is required.
*OVERLAY*
True All Weather Operation
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More than 500 Installations Worldwide
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