en

distortion factor

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Terminological databases

EKI terminibaas Esterm

ID 728699 Last modified 30.12.2004
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Domain Electrical Engineeringmeasuring instruments
  • ratio of the effective value of the harmonic content obtained by subtracting the fundamental factor from a non-sinusoidal alternating quantity to the effective value of the non-sinusoidal quantity. The distortion factor is usually expressed as a percentage.
distortion factor

Metroloogia terminibaas

ID 574648 Last modified 17.01.2026
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Domain Standardisation - Metrologymeasuring procedures
moonutustegur preferred
mittelineaarmoonutus
d
distortion factor preferred
distortion factor of a quantity
total harmonic distortion factor
total harmonic distortion factor of a quantity
d
  • harmoonikute sisalduse ruutkeskmise/efektiivväärtuse ja põhikomponendi ruutkeskmise/efektiivväärtuse suhe
  • ratio of the r.m.s. value of the harmonic content to the r.m.s. value of the fundamental term
  • ratio of the effective value of the harmonic content obtained by subtracting the fundamental factor from a non-sinusoidal alternating quantity to the effective value of the non-sinusoidal quantity
  • ratio of the r.m.s. value of the fluctuating to the r.m.s. value of the non-sinusoidal value
moonutustegur preferred
Usage examples
  • Moonutustegur on samaväärne harmoonikute kogumoonutusega.
Good to know
  • Moonutustegur väljendatakse tavaliselt protsentides.
mittelineaarmoonutus
d symbol
distortion factor preferred
Usage examples
  • A distortion factor is equivalent to total harmonic distortion.
Good to know
  • The distortion factor is usually expressed as a percentage.
distortion factor of a quantity
total harmonic distortion factor
total harmonic distortion factor of a quantity
d symbol

Metroloogia terminibaas

ID 1124982 Last modified 17.01.2026
View dataset
View dataset
Domain Standardisation - Metrology
harmoonikute kogumoonutus preferred
harmoonikute üldmoonutus
THD
moonutustegur variant
harmoonikute tegur variant
total harmonic distortion preferred
THD
total harmonic ratio
distortion factor variant
harmonic distortion coefficient variant
harmonic factor variant
non-linear distortion variant
  • vahelduvsuuruse harmoonikute sisalduse ruutkeskmise väärtuse suhe sama suuruse põhikomponendi ruutkeskmisesse väärtusesse
  • kõigi harmooniliste komponentide võimsuste summa ja põhisageduse võimsuse suhe
  • ratio of the rms value of the harmonic content of an alternating quantity to the rms value of the fundamental component of the quantity
  • ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency
harmoonikute kogumoonutus preferred
Usage examples
  • Harmoonikute kogumoonutus (THD) on signaalis esineva harmooniku moonutuse mõõt ja seda määratletakse kui kõigi harmoonikute komponentide võimsuste summa ja põhisageduse võimsuse suhet. Moonutustegur on harmoonikute kogumoonutusega tihedalt seotud termin, mille tõttu kasutatakse seda mõnikord sünonüümina.
harmoonikute üldmoonutus
THD abbreviation
moonutustegur variant
harmoonikute tegur variant
mittelineaarmoonutus variant
Usage examples
  • Mittelineaarmoonutus on moonutus, mis tekib audiosignaali edastamisel ja töötlemisel, kui signaal läbib elektriahela elemente, mille väljundsuurus ei muutu sisendsuurusega võrdeliselt ehk lineaarselt ja mittelineaarse sõltuvuse tõttu lisandub signaali spektrisse sageduskomponente, mis sisendsignaalis puuduvad.
total harmonic distortion preferred
Usage examples
  • The total harmonic distortion (THD) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency. Distortion factor, a closely related term, is sometimes used as a synonym.
THD abbreviation
total harmonic ratio
distortion factor variant
harmonic distortion coefficient variant
harmonic factor variant
non-linear distortion variant
nonlinear distortion variant

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