QUE SIGNIFIE NEPÉR EN ROUMAIN
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définition de nepér dans le dictionnaire roumain
NEPÉR, neperi, s M. Unité de mesure du niveau de transmission d'un signal électrique ou acoustique. NEPÉR, neperi, s. m. Unitate de măsură a nivelului de transmisiune al unui semnal electric sau acustic.
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voir la définition originale de «nepér» dans le dictionnaire roumain.
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10 LIVRES EN ROUMAIN EN RAPPORT AVEC «NEPÉR»
Découvrez l'usage de
nepér dans la sélection bibliographique suivante. Des livres en rapport avec
nepér et de courts extraits de ceux-ci pour replacer dans son contexte son utilisation littéraire.
1
Units of Measure: Conversion of Units, Baud, Ph, Erlang, ...
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online.
Source Wikipedia, LLC Books, 2010
2
Electromagnetic Waves - Pagina 15
It can be easily seen that if a line has an attenuation constant of 1 neper/m, a unit amplitude voltage wave will reduce to e~l over a distance of 1 meter. The attenuation of the wave in dB is -20 log (e~l) = 8.68 dB. We can then say that 1 neper is ...
3
High-speed Signal Propagation: Advanced Black Magic - Pagina 5
where v, represents the voltage amplitude of a signal generally assumed to be sinusoidal. Units of nepers occasionally appear in transmission-line problems. One neper equals 8.685889638065 dB. Definitions of power, voltage, and current ...
Howard W. Johnson, Martin Graham, 2003
4
Fiber Optics Illustrated Dictionary - Pagina 673
Neon has also been used in older tubes in the broadcasting industries, in simple oscillating circuits, and in commercial signs. neper (pron. - nay-per, symb. - Np ) A dimension- less mathematical unit for expressing relative measurements.
5
Practica auff dis iar durch den hoch beremte[n] docktor ...
John Napier. Ainnt dürfe nachgens milchwirthailänderpadstuben so ins angaist oft sind nawelmärpey hamtwerckleite with roachen erwi - mästervikreüzerrrrijpfing vor demzlzevil empfange in der uncia wenn ist an schwanger zeichs macht ...
6
RF & Microwave Design Essentials: Engineering Design and ...
Neper is defined to be a unit of attenuation used for expressing the ratio of two currents, voltages or fields by taking the natural logarithm (logarithm to base e) of this ratio. If voltage Vi is attenuated to V2 so that: V2/V,= e"N Then N is attenuation ...
Matthew M. Radmanesh, 2007
7
Advanced RF & Microwave Circuit Design: The Ultimate Guide ...
Neper. (Np). Neper is defined to be a unit of attenuation used for expressing the ratio of two currents, voltages or fields by taking the natural logarithm (logarithm to base e) of this ratio. If voltage V| is attenuated to V? so that; V2/Vi= c~N Then N ...
Matthew M. Radmanesh, 2008
8
Transmission Lines And Waveguide - Pagina P-3
Q.9 Prove that 1 neper = 8.686 dB. (May/June-2004) Ans. : Neper means logarithm to the base e i.e. natural logarithm while dB means [20 x logarithm to the base 10]. Let x is to be represented in neper and dB then, neper = In x and dB = 20 ...
9
The Cyclopaedia; Or, Universal Dictionary of Arts, ...
NEPER, or NAPusR, Jomv, baron of Merchiston, in Biagrafby, inventor of the arithmetic of logarithms, was the eldest on of sir Archibald Neper of Merchiston, and born in the year I 5 50. He was educated with reat care, and after going through ...
10
The Telecommunications Illustrated Dictionary, Second Edition
Neon has also been used in older tubes in the broadcasting industries, in simple oscillating circuits, and in commercial signs. neper (pron. – nay-per, symb. – Np) A dimensionless mathematical unit for expressing relative measurements.
