Off-shore wind measurements by HF doppler ground-wave radar |
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| Authors: | J C De Maistre P Broche M Crochet |
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| Institution: | (1) Laboratoire de Sondages Electromagnétiques de l'Environnement Terrestre  La Giponne , Bd des Armaris-83100, Toulon, France |
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| Abstract: | Remote measurements of wind velocity are performed, up to 100 km away from the shore, by using some features of the Doppler spectrum of HF radio waves backscattered by the sea. The variation with radio-frequency of the ratio of the amplitudes of the two Bragg lines in this spectrum shows a discontinuity occurring at a value simply related to the wind velocity. The validity of these measurements is discussed by comparison with meteorological data obtained by conventional methods. |
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