TERMIUM Plus^®

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One foundational law of quantum physics states that when it comes to making measurements, certain pairs of physical properties are in a seesaw relationship with one another : reducing the uncertainty, or noise, of one measurement increases that of the other. It's a principle exploited by physicists who use quantum squeezing. Two fundamental measurements of quantum systems are the most important when discussing quantum squeezing :amplitude and phase.  2, fiche 1, Anglais, - quantum%20squeezing

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Quantum squeezing ... is a method for hushing quantum noise or, more specifically, for pushing the noise from one place to another with the goal of making more precise measurements.  3, fiche 1, Anglais, - quantum%20squeezing

Fiche 1,  Justifications,  Français

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La compression quantique est l'idée de minimiser les fluctuations quantiques dans un aspect d'un système au détriment d'augmentations proportionnelles des fluctuations dans un autre aspect. L'effet est similaire à celui de presser l'air d'une partie d'un ballon vers une autre.  1, fiche 1, Français, - compression%20quantique

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Fiche 2,  Justifications,  Anglais

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Coherent holography records the complex amplitude of a 3D object holographically, giving speckle noise upon reconstruction and presenting a serious drawback inherent in coherent optical systems.  2, fiche 2, Anglais, - coherent%20holography

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Fiche 3,  Justifications,  Anglais

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The process of modifying the amplitude/frequency response in a recording and reproducing system to produce flat overall characteristics, minimize noise or give an artistic effect.  2, fiche 3, Anglais, - equalization

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Procédé de modification de la courbe de réponse en fréquence d'un appareil d'enregistrement ou de lecture pour corriger des défauts ou créer des effets spéciaux.  2, fiche 3, Français, - %C3%A9galisation

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Corrección de la respuesta en frecuencia de un dispositivo o sistema electrónico.  1, fiche 3, Espagnol, - ecualizaci%C3%B3n

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The comparison between the amplitude of the seismic signal and the amplitude of noise caused by seismic unrest and/or the seismic instruments.  3, fiche 4, Anglais, - signal%2Dto%2Dnoise%20ratio

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[The signal-to-noise ratio] is a measure of the quality of a seismic record.  4, fiche 4, Anglais, - signal%2Dto%2Dnoise%20ratio

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Comparaison entre l'amplitude du signal sismique et l'amplitude du bruit ambiant [ou] des instruments sismiques.  2, fiche 4, Français, - rapport%20signal%20sur%20bruit

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Fiche 5,  Justifications,  Anglais

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Audio noise gate... Eliminates the signal if its runs amplitude falls below a specified threshold. A dely buffer is incorporated to give the noise-gate a "look-ahead" capability, improving its effectiveness in some situations.  2, fiche 5, Anglais, - noise%20gate

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The new Noise Gate is everything a pro sound designer could wish for. Besides standard parameters like Threshold, Attack, and Release, the Hold time and Hysteresis (distance between open and close threshold) parameters will give you complete control over any signal. Thanks to the filters in the monitorable sidechain, you can even split heavily cross talking toms. The Lookahead control should end the debate between "analog vs. digital". This is a superior tool that no sound designer will want to live without ...  3, fiche 5, Anglais, - noise%20gate

Fiche 5,  Justifications,  Français

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Filtre destiné à supprimer les bruits de fond (souffle, bruit d'aiguille) en absence de modulation.  2, fiche 5, Français, - porte%20de%20bruit

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Fiche 6,  Justifications,  Anglais

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The horizontal and vertical sync pulses that form part of the composite video signal are separated in the sync separator. The composite video signal is either taken from the video detector output or after one stage of video amplification. A sync separator is a clipper that is suitably biased to produce output, only during sync pulse amplitude of the video signal. In some receivers, a noise gate precedes the sync separator. This suppresses strong noise pulses if present in the video signal.  3, fiche 6, Anglais, - synchronization%20separator

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Fiche 8,  Justifications,  Anglais

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Noise Suppression Filter. The patent describes a simple and inexpensive device for filtering undesirable high frequency noise from analog data outputs of a data processing system, which operates in two different modes and switches automatically from one to the other depending on the rate of change of data functions and on data transient amplitude with respect to full scale.  1, fiche 8, Anglais, - noise%20suppression%20filter

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L'invention concerne un filtre antiparasites à particules permettant de supprimer du bruit non souhaité par augmentation de la résistance spécifique de la ferrite MnZn et l'amélioration d'une caractéristique haute fréquence.  1, fiche 8, Français, - filtre%20antiparasites

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Fiche 9,  Justifications,  Anglais

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Weighting filters try and give readings that roughly correspond to the way humans respond to sound. Sound pressure level measurements use weighting filters based on three curves : A, B and C.... The B-weighting curve is used for [measuring] intermediate level sounds and has the same upper corner as the C-weighting, but the lower amplitude corner is 120 Hz. The A-weighting curve is used for measuring low level signals such as background noise.  2, fiche 9, Anglais, - A%2Dweighting%20curve

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Courbes de pondération A, B, C. - [...] La courbe A utilisée très souvent pour caractériser un bruit par un seul chiffre, en dB(A), accuse une très forte atténuation des fréquences basses : 30 dB à 50 Hz, 19 dB à 100 Hz [...]  2, fiche 9, Français, - courbe%20de%20pond%C3%A9ration%20A

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Fiche 10,  Justifications,  Anglais

Record number: 10, Textual support number: 1 CONT

Weighting filters try and give readings that roughly correspond to the way humans respond to sound. Sound pressure level measurements use weighting filters based on three curves : A, B and C.... The B-weighting curve is used for [measuring] intermediate level sounds and has the same upper corner as the C-weighting, but the lower amplitude corner is 120 Hz. The A-weighting curve is used for measuring low level signals such as background noise.  1, fiche 10, Anglais, - C%2Dweighting%20curve

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Fiche 11,  Justifications,  Anglais

Record number: 11, Textual support number: 1 CONT

Weighting filters try and give readings that roughly correspond to the way humans respond to sound. Sound pressure level measurements use weighting filters based on three curves : A, B and C.... The B-weighting curve is used for [measuring] intermediate level sounds and has the same upper corner as the C-weighting, but the lower amplitude corner is 120 Hz. The A-weighting curve is used for measuring low level signals such as background noise.  1, fiche 11, Anglais, - B%2Dweighting%20curve

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Fiche 12,  Justifications,  Anglais

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The block diagram of a radiometer with semiconductor detectors for the measurement of alpha particles is described. The discrimination is attained by introduction of a pulse amplitude selector in the narrow zone corresponding to the position of the spectral lines of the emitter. The high stability of the response is attained by use of a system for the self-stabilization of the energy characteristics [...] A pulse shape selector is used for reduction of the background level resulting from [a] noise.(trauth).  1, fiche 12, Anglais, - pulse%20shape%20selector

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On dessine le tableau avant du GBF [générateur de tension variable] utilisé en repérant bien : le bouton arrêt-marche; la sortie et la masse; le sélecteur de forme de signal, sinusoïdal, dents de scie et créneaux; le sélecteur de gamme de fréquence et le bouton de réglage de la fréquence dans la gamme; les deux gammes de niveau de sortie (2 et 20 V) et le bouton de réglage dans la gamme [...]  1, fiche 12, Français, - s%C3%A9lecteur%20de%20forme

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Fiche 13,  Justifications,  Anglais

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Vibroacoustic Disease(VAD), caused by loud noise(technically known as large pressure amplitude and low frequency [LPALF] noise) can contribute not just to fatigue but also to a whole host of medical problems, such as heart disease, ulcers, seizures, dizziness, and hearing loss.  1, fiche 13, Anglais, - vibroacoustic%20disease

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maladie vibro-acoustique : Il faut éviter cette tournure qui constitue une hypallage (ce n'est pas la maladie qui est vibro-acoustique).  1, fiche 13, Français, - maladie%20des%20effets%20vibratoires%20du%20son

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Fiche 14,  Justifications,  Anglais

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The intentional alteration of the amplitude, phase, frequency, or shape characteristics of a signal to reduce adverse effects of noise in a communication system.  1, fiche 14, Anglais, - emphasis

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L'accentuation du signal de réception est due à la réduction du bruit atmosphérique et du bruit blanc et à l'élimination de l'interférence de la fréquence adjacente, y compris les hétérodynes.  1, fiche 14, Français, - accentuation

Fiche 14,  Justifications,  Espagnol

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Alteración deliberada de las características de amplitud, fase, frecuencia o forma de una señal para disminuir los efectos adversos del ruido en un sistema de comunicación.  1, fiche 14, Espagnol, - acentuaci%C3%B3n

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In the aeronautical safety services, a noise measurement technique.  1, fiche 15, Anglais, - noise%20amplitude%20distribution

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Fiche 16,  Justifications,  Anglais

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a signal detector that uses both phase and amplitude information in the received or input signal by using a reference signal for phase determination; e. g., photodetector or demodulator. It removes out-of-phase noise.  2, fiche 16, Anglais, - coherent%20detector

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détecteur réalisant la détection cohérente.  1, fiche 16, Français, - d%C3%A9tecteur%20coh%C3%A9rent

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Fiche 17,  Justifications,  Français

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Source(s) : DSTM [Direction des services de traduction ministériels] Communications.  1, fiche 17, Français, - amplitude%20quasi%20cr%C3%AAte%2D%C3%A0%2Dcr%C3%AAte%20du%20bruit

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Fiche 18,  Justifications,  Français

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Source(s) : DSTM [Direction des services de traduction ministériels] Communications.  1, fiche 18, Français, - amplitude%20quadratique%20moyenne%20du%20bruit

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Fiche 19,  Justifications,  Anglais

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A noise signal with regular repetition rate and constant energy per cycle. Dither signals of small amplitude are sometimes used in feedback control circuits to offset hysteresis or friction effects.  2, fiche 19, Anglais, - dither%20signal

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Fiche 20,  Justifications,  Anglais

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A presentation of impulsive noise data in terms of its basic parameters of spectrum amplitude and impulse rate.  1, fiche 20, Anglais, - noise%20amplitude%20distribution

Fiche 20,  Justifications,  Français

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Présentation des données sur le bruit impulsif, d'après ses paramètres fondamentaux d'amplitude du spectre et des taux d'impulsions.  1, fiche 20, Français, - courbe%20de%20r%C3%A9partition%20de%20l%27amplitude%20du%20bruit

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Fiche 21,  Justifications,  Anglais

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The noise-like variation of the amplitude of the received echo from a target caused by change of target as aspect(...) ;a component of scintillation.  2, fiche 21, Anglais, - amplitude%20noise

Fiche 21,  Justifications,  Français

Record number: 21, Textual support number: 1 OBS

Outre le fait que la fluctuation des cibles en amplitude s'accompagne inévitablement d'une fluctuation du point brillant qui donne une fluctuation de la mesure angulaire quel que soit le procédé utilisé, la fluctuation d'amplitude en elle-même introduit des ennuis dont nous examinerons ici deux exemples.  2, fiche 21, Français, - fluctuation%20d%27amplitude

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