Technology / Radar / Doppler Velocity (V): Reflectivity-weighted average velocity of targets in the pulse volume. Determined by phase measurements from a large number of successive pulses. Also called radial velocity. Gives only the radial component of the velocity vector. It is generally assumed that raindrops and other particles are advected with the wind and have no own motion except their falling velocity. Motion towards the radar are negative (blue colours), motions away from the radar are positive (red colours).
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Velocity Noun Synonyms: speed, swiftness, rapidity, fleetness, quickness, briskness, alacrity, celerity, pace, rate of speed, miles per hour, m.p.h., kilometres per hour, km/hr
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Science / Weather / Terminal Doppler Weather Radar (TDWR): Doppler radar installed at major airports throughout the United States to detect microbursts. MORE
Science / Weather / Radial Velocity: A type of velocity that expresses motion toward or away from a given location. In Doppler radar, it is the component of motion that is parallel to the radar beam. MORE
Science / Periodic Table of Elements / Vanadium (V): Atomic number: 23, Atomic mass: 50.9414 g.mol -1, Electronegativity: 1.6, Density: 6.1 g.cm-3 at 20?°C, Melting point: 1910 ?°C, Boiling point: 3407 ?°C, Vanderwaals radius: 0.134 nm, Ionic radius: MORE