fundamental frequency

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Related to fundamental frequency: harmonics

fun·da·men·tal fre·quen·cy

the principal component of a sound, which has the greatest wavelength, hence the lowest tone in a sound; sounds are composed of a fundamental tone and overtones or higher tones. See: harmony, noise.

fun·da·men·tal fre·quen·cy

(F0) (fŭn'dă-men'tăl frē'kwĕn-sē)
1. acoustics The basic frequency of a vibrating object or sound as opposed to its harmonics, or the principal component of a complex sound wave.
2. The frequency of vocal fold vibration at the glottis, unaffected by resonance.
See also: optimal pitch
References in periodicals archive ?
1991), the simple equation shown as Equation 2 was developed that could calculate the fundamental frequency of a given joist.
Cigar smokers are more likely to have a low fundamental frequency and habitual pitch than controls.
The fundamental frequency decreases as the number of storeys increases, for all types of modelling (Figure 13).
They are correlated since they are all sensitive to the fundamental frequency of a signal.
In spite of using relatively high strains for the multi-wave oscillations, no significant higher harmonics of the fundamental frequency were detected by FFT.
For a two-port network excited at port 1 by a singletone excitation at the fundamental frequency, we can extract an input reflection coefficient given by
These vocalizations are called infrasounds because their fundamental frequency is below the range of human hearing," explained Herbst.
As a consequence, if the first syllable is short, the second syllable gets lengthened, and this lengthening is in accordance with the location of the turning point of the fundamental frequency.
ripple current occurs at the zero-crossings of the fundamental frequency component of the o/p voltage.
Mathematically, this unsteady forcing function due to the pinion is best described by a complex Fourier series with a fundamental frequency equal to the pinion rotational rate, [f.

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