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harmonic definition - telecom
A sinusoidal component of a waveform that is an integral multiple of a fundamental frequency. The signal waveform is known as the first harmonic. A waveform that has a component that is twice the frequency of the fundamental frequency, or signal waveform, is known as the second harmonic. An unwanted harmonic causes harmonic distortion. See harmonic distortion.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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