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decineper [1 record]

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Record 1 1999-09-30

English

Subject field(s)
  • Telecommunications
  • Acoustics (Physics)
DEF

[A] unit of voltage and current attenuation in lines and amplifiers, of magnitude one-tenth of the neper.

CONT

Neper. A transmission unit. The natural logarithm of the ratio of two currents, voltages or powers. A smaller unit, the decineper, exists and both are the precursors of the bel and the more widely-used decibel.

French

Domaine(s)
  • Télécommunications
  • Acoustique (Physique)
DEF

Dixième partie du néper; symbole dNp. Le rapport de deux tensions V1 et V2 correspond à N décinépers, si on a la relation N décinépers=10 Log V1/V2 (logarithme népérien). Cette unité s'emploie aussi pour exprimer des rapports de puissance.

OBS

décineper : terme normalisé par l'AFNOR.

Spanish

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