Wave Speed

Wave speed is a wave property, 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, 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

Famous quotes containing the words wave and/or speed:

    Through this broad street, restless ever,
    Ebbs and flows a human tide,
    Wave on wave a living river;
    Wealth and fashion side by side;
    Toiler, idler, slave and master, in the same quick current glide.
    John Greenleaf Whittier (1807–1892)

    There was such speed in her little body,
    And such lightness in her footfall,
    It is no wonder her brown study
    Astonishes us all.
    John Crowe Ransom (1888–1974)