Wave speed
Wave speed is a wave property which may mean only one of several things:
Wave speed is a wave property which may mean only one of several things:
which may refer to absolute value of:
- phase velocity, the velocity at which a wave phase propagates at a certain frequency.
- group velocity, the propagation velocity for the envelope of wave groups and often of wave energy. This is different from the phase velocity for dispersive waves.
- signal velocity, or information velocity, which is the velocity at which a wave carries information.
- front velocity, the velocity at which the first rise of a pulse above zero moves forward.
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