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harmonic distortion

   Also found in: Medical, Acronyms, Wikipedia 0.07 sec.

harmonic distortion

In communications, unwanted frequencies that are generated as multiples of the original frequency due to irregularities in the transmission line. In audio amplifiers, harmonic distortion comes from non-uniform operation (non-linearity) in the amplifier circuits. See harmonic.



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The harmonic distortion for a synthesized 5 kHz sine wave was more than 100 dB below the fundamental.
100 mV PEAK OUTPUT DEMONSTRATED FOR THE JOSEPHSON WAVEFORM SYNTHESIZER by Journal of Research of the National Institute of Standards and Technology
These currents, known as harmonic distortion disturb the voltage quality on the power line causing a variety of disturbances within an affected facility.
Next Generation UPS Technology For The New Millennium by MADSEN, JORGEN P. / Computer Technology Review
5% efficiency and less than 3% total harmonic distortion (THD) with a 7% harmonic filter (standard on the 180 - 225 models).
TreStar P Series Introduced by Staco Energy Products by Business Wire
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