Super-Poincaré algebra: Difference between revisions

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A '''harmonic spectrum''' is a [[spectrum of an operator|spectrum]] containing only frequency components whose [[frequency|frequencies]] are [[Integer|whole number]] multiples of the [[fundamental frequency]]; such frequencies are known as [[harmonic]]s.
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In other words, if <math>\omega\,</math> is the fundamental frequency, then a harmonic spectrum has the form
:<math>\{\dots, -2\omega, -\omega, 0, \omega, 2\omega, \dots\}.</math>
 
A standard result of [[Fourier analysis]] is that a function has a harmonic spectrum if and only if it is [[periodic function|periodic]].
 
==See also==
* [[Fourier series]]
* [[Harmonic series (music)]]
* [[Periodic function]]
* [[Scale of harmonics]]
 
{{Acoustics}}
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{{Signal-processing-stub}}
[[Category:Functional analysis]]

Latest revision as of 16:22, 24 August 2014

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