G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 15/88 (2006.01)
Patent
CA 2755091
A method of detecting precipitation with a sodar apparatus (200) that transmits sound beams (31) into the atmosphere, detects echoes returned from the atmosphere, from the echoes determines a Doppler-shifted spectrum (41, 42) comprising the relative strength of the echoes at various Doppler-shifted frequencies, and estimates wind speed and direction. The method includes automatically estimating the presence of precipitation (42) based on the Doppler-shifted spectrum (41, 42).
Procédé de détection de précipitation par un appareil SODAR (200) comprenant les étapes consistant à : transmettre des faisceaux acoustiques (31) dans l'atmosphère; détecter les échos renvoyés par l'atmosphère; établir à partir des échos un spectre Doppler (41, 42) comprenant l'intensité relative des échos à diverses fréquences Doppler; et estimer la vitesse et la direction du vent. Le procédé comprend en outre l'étape consistant à estimer automatiquement la présence de précipitation (42) en fonction du spectre Doppler (41, 42).
Lawhite Niels
Walls Elizabeth
Gowling Lafleur Henderson Llp
Second Wind Inc.
LandOfFree
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