A Doppler radar is a specialized radar that makes use of the Doppler effect to produce velocity data about objects at a distance. It does this by beaming a microwave signal towards a desired target and listening for its reflection, then analyzing how the frequency of the returned signal has been altered by the object`s motion. This variation give....
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http://en.wikipedia.org/wiki/Doppler_radar
A type of weather radar that determines whether atmospheric motion is toward or away from the radar. It uses the Doppler effect to measure the velocity of particles suspended in the atmosphere.
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http://ggweather.com/glossary.htm
Radar that measures the velocity of a moving object by measuring the shift in carrier frequency of the return signal. The shift is proportional to the velocity with which the object approaches or recedes from the radar station.
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http://www.daviddarling.info/encyclopedia/D/Doppler_radar.html
A type of weather radar that determines whether atmospheric motion is toward or away from the radar. It determines the intensity of rainfall and uses the Doppler effect to measure the velocity of droplets in the atmosphere.
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http://www.encyclo.co.uk/local/22268
Sophisticated radar that can measure the speed and direction of moving objects, such as wind.
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http://www.metcheck.com/OTHER/glossary.asp
Doppler radar is a type of radar used to determine information on moving objects. Doppler radar emits a constant stream of signals at a constant frequency. The emitted signal, reflected off a moving object returns at a higher frequency if the object is moving towards the transmitter, and a lower frequency if it is moving away.
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http://www.probertencyclopaedia.com/browse/FD.HTM
A type of weather radar which displays atmospheric motion. It utilizes the Doppler Effect to measure the velocity of particles in the atmosphere.
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http://www.stormfax.com/wxwords.htm
weather radar system that employs the apparent shift in frequency of radio waves to perceive air motion and consequently predict tornadoes and precipitation sooner than previous radars, as well as measure the speed and direction of rain and ice.
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http://www.tsgc.utexas.edu/stars/metgloss.html
noun radar that uses the Doppler shift to measure velocity
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https://www.encyclo.co.uk/local/20974
Radar that measures speed and direction of a moving object, such as water or ice particles, birds, and insects.
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https://www.encyclo.co.uk/local/21182
A radar that detects and interprets the doppler effect in terms of the radial velocity of a target.
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https://www.encyclo.co.uk/local/22373
a radar tracking system that determines the velocity of a moving object by measuring the Doppler shift of the frequency of a radar signal reflected by the object. Cf. DOVAP.
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https://www.infoplease.com/dictionary/doppler-radar
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