harmonic wave


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harmonic wave

[här′män·ik ′wāv]
(physics)
A transverse waveform obtained by mapping onto a time base the periodic up and down excursions of simple harmonic motion.
References in periodicals archive ?
This leading solution highly integrates various protection functions and high technology patents; its optimal performance including complies with the EU harmonic wave directive, has a power factor of over 98%, provides a high power conversion efficiency of over 80%, and low standby power consumption (under 1W).
That is because class-D generates a large amount of high frequency harmonic wave, which can not be heard by human beings in principle but inevitably affects our hearing, making the sound less popular.
Power factor correction is a means of regulating a higher harmonic wave (a sine wave that is an integral multiple of the 50Hz or 60Hz of a commercial power supply) stipulated by the IEC and JIS standards.