IEVref:801-23-21ID:
Language:enStatus: Standard
Term: group velocity
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Definition: velocity in the direction of propagation of a characteristic feature of the envelope of a non-sinusoidal disturbance

NOTE 1 – Group velocity differs from phase velocity only in a dispersive medium.

NOTE 2 – Group velocity is ordinarily the velocity of propagation of the energy associated with the disturbance.


Publication date:1994-07
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