Amplitude

  • The amplitude of a wave is the peak value (i.e. the height) of the wave in the positive or negative direction.

    amplitude-pic1.gif

    For example, for a general sine wave:

    f(t) = A sin(Bt), where A = amplitude of the wave
    T = 2π/B = period, and
    f = 1/T = B/2π = frequency


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