Doppler radar

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  • Doppler Radar
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  • A DOPPLER RADAR is a measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects; used for weather forecasting and observation of weather patterns.
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Abstract from DBPedia
    A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal. This variation gives direct and highly accurate measurements of the radial component of a target's velocity relative to the radar.

    ドップラー・レーダー（英語: Doppler radar）とは、ドップラー効果による周波数の変移を観測することで、観測対象の相対的な移動速度と変位を観測する事のできるレーダーである。

    (Source: http://dbpedia.org/resource/Doppler_radar)