neper

Meaning

Noun

  • A non-SI unit of the attenuation (or sometimes gain) of field and power quantities such as electronic signals; the natural logarithm of a ratio, with 1 Np (a ratio of 2.718:1) being equivalent to 8.686 dB.

Origin

  • From Joannes Neper, the Latinized name of John Napier, a Scottish mathematician.

Modern English dictionary

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