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Doppler Shift

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Doppler Shift - definition(s)

Doppler shift - [physics] The apparent change in frequency of sound or light waves caused by the relative motion between a source and an observer. As they approach one another, the frequency increases; as they draw apart, the frequency decreases. The Doppler shift is also known as the Doppler effect, and is named for Austrian physicist and mathematician Christian Andreas Doppler.

[Category=Geospatial ]

Source: esri, 03 April 2012 08:34:25, External 

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