neper


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ne·per (Np),

(ne'pĕr),
A unit for comparing the magnitude of two powers, usually in electricity or acoustics; it is one half of the natural logarithm of the ratio of the two powers.
Synonym(s): napier
[fr. neperus, latinized form of (John) Napier]

ne·per

(nē'pĕr)
A unit for comparing the magnitude of two powers, usually in electricity or acoustics; it is one half of the natural logarithm of the ratio of the two powers.
[fr. neperus, latinized form of (John) Napier]

neper

(nē′pĕr, nā′)
[John Napier, Scot. mathematician, 1550–1617]
,

Np

A unit of measure denoting the ratio of two amplitudes. It is similar to the decibel but is expressed as a natural logarithm instead of a logarithm of the base 10. 1 Np = 8.687 dB.
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References in periodicals archive ?
The reciprocal of FOM is equal to attenuation in units of nepers per radian.
Squares NIGEL GANESH ICILY ANEMIA GIVES NEPERS ELEMI EMEERS LYSIS SIRREE HASSEL (I'm sure Glenda can tidy up these squares!) INDIA MUMBAI NAILS UNIONS DICEY MIDGUT ILEAL BOGORA ASYLA ANURAN ISTANA (The only non-Scrabble word is Bogora, a town in Sudan.) Palindromes
N = loss of the linear equivalent network in nepers