fundamental frequency

4.20  fundamental frequency. (a) For a periodic quantity, frequency of a sinusoidal quantity that has the same period as the periodic quantity. (b) Lowest natural frequency of an oscillating system.

Annotation   See also 2.13 and 12.04.

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Alternative Meanings:
  • fundamental frequency
    2.13  fundamental frequency. For a function periodic in time, the reciprocal of the period. Unit, hertz (Hz). Annotation              See also 4.20 and 12.04.
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