amplitude variations

amplitude variations
изменения амплитуды

Англо-русский словарь по ядерным испытаниям и горному делу. 2013.

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Смотреть что такое "amplitude variations" в других словарях:

  • amplitude — [ ɑ̃plityd ] n. f. • XVe; lat. amplitudo 1 ♦ Vx Grandeur, étendue. « Dans l amplitude et immensité de la nature » (Pascal). 2 ♦ Sc. Différence entre les valeurs extrêmes d une grandeur. Amplitude d un intervalle borné : distance entre les bornes …   Encyclopédie Universelle

  • Amplitude-shift keying — (ASK) is a form of modulation that represents digital data as variations in the amplitude of a carrier wave.The amplitude of an analog carrier signal varies in accordance with the bit stream (modulating signal), keeping frequency and phase… …   Wikipedia

  • Amplitude modulation — Passband modulation v · d · e Analog modulation AM · …   Wikipedia

  • Amplitude —  Pour l’article homonyme, voir Amplitude (jeu vidéo).  En physique classique, on nomme amplitude la mesure scalaire (une coordonnée) d’un nombre positif caractérisant l’ampleur des variations d une grandeur. Le plus souvent il s agit de …   Wikipédia en Français

  • Amplitude-companded single-sideband modulation — ACSSB (amplitude companded single sideband) is a narrowband modulation method using a single sideband with a pilot tone, allowing an expander in the receiver to restore the amplitude that was severely compressed by the transmitter. This mode… …   Wikipedia

  • Quadrature amplitude modulation — (QAM) (Pronounced IPA|kwa:m) is a modulation scheme which conveys data by changing ( modulating ) the amplitude of two carrier waves. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature… …   Wikipedia

  • Secular variations of the planetary orbits — The Secular Variations of the Planetary Orbits (French: Variations Séculaires des Orbites Planétaires, abbreviated as VSOP) is a semi analytic theory describing the long term changes (secular variation) in the orbits of the planets Mercury to… …   Wikipedia

  • Phase contrast microscopy — Phase contrast image of a cheek epithelial cell Phase contrast microscopy is an optical microscopy illumination technique of great importance to biologists in which small (invisible to the human eye) phase shifts in the light passing through a… …   Wikipedia

  • Logarithmic video amplifier — A logarithmic video amplifier or LVA is typically part of radar and electronic countermeasures microwave systems and sonar navigation systems, used to convert a very large dynamic range input power to an output voltage that increases… …   Wikipedia

  • Effects unit — A pedalboard allows a performer to create a ready to use chain of multiple pedals. Signal chain order: tuner, compressor, octave generator, wah wah pedal, overdrive, distortion, fuzz, EQ and tremolo. Effects units are …   Wikipedia

  • Foster-Seeley discriminator — The Foster Seeley discriminator [D.E. Foster and S.W. Seeley, Automatic tuning, simplified circuits, and design practice, Proceedings of the Institute of Radio Engineers , vol. 25, no. 3, part 1, pages 289 313 (March 1937).] [U.S. patent… …   Wikipedia


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