TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
SPECTRE DOPPLER [10 records]
Record 1 - internal organization data 2017-04-21
Record 1, English
Record 1, Subject field(s)
- Ultrasonography
- Cardiovascular System
Record 1, Main entry term, English
- pulsed Doppler ultrasonography
1, record 1, English, pulsed%20Doppler%20ultrasonography
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- pulsed Doppler 2, record 1, English, pulsed%20Doppler
correct
- pulsed Doppler US 3, record 1, English, pulsed%20Doppler%20US
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The principal advantage of pulsed Doppler is range resolution, or the ability to sample blood flow in a small, specific area whose location and depth can be varied. A disadvantage of pulsed Doppler, however, is that there are limits to the maximum frequency shifts that can be unambiguously displayed at any given depth. To avoid range ambiguity, the ultrasound pulse must travel down to the selected depth and back before the next pulse can enter the heart. Therefore, the PRF [pulse repetition frequency] or sampling rate is limited at each depth. 4, record 1, English, - pulsed%20Doppler%20ultrasonography
Record 1, French
Record 1, Domaine(s)
- Ultrasonographie
- Système cardio-vasculaire
Record 1, Main entry term, French
- écho-Doppler pulsé
1, record 1, French, %C3%A9cho%2DDoppler%20puls%C3%A9
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- écho-doppler pulsé 2, record 1, French, %C3%A9cho%2Ddoppler%20puls%C3%A9
correct, masculine noun
- échographie-Doppler pulsé 3, record 1, French, %C3%A9chographie%2DDoppler%20puls%C3%A9
correct, feminine noun
- échographie doppler pulsé 4, record 1, French, %C3%A9chographie%20doppler%20puls%C3%A9
correct, feminine noun
- doppler pulsé 5, record 1, French, doppler%20puls%C3%A9
correct, masculine noun
- Doppler pulsé 6, record 1, French, Doppler%20puls%C3%A9
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Technique échographique d’exploration vélocimétrique du cœur et des vaisseaux utilisant l’effet doppler [où] l’émission des ondes ultrasonores est faite en mode pulsé et le signal doppler est obtenu par l’analyse des échos provenant d’une profondeur sélectionnée par l’utilisateur. 7, record 1, French, - %C3%A9cho%2DDoppler%20puls%C3%A9
Record number: 1, Textual support number: 1 OBS
Une même céramique est alternativement émettrice et réceptrice. L'émission des ultrasons est discontinue et chaque brève impulsion est suivie d’une période d’écoute pendant laquelle la sonde recueille les échos qui lui parviennent. Une fenêtre de mesure réglable en profondeur permet de sélectionner de façon précise le volume de la cible à étudier, ce qui évite la superposition des informations. Le mode doppler pulsé est couplé à l'échographie en mode B sur laquelle se fait le repérage de la zone de mesure. Le résultat est représenté sur l'écran sous la forme du tracé du spectre doppler. Le signal doppler appliqué à un haut parleur est également perçu sous forme audible. 7, record 1, French, - %C3%A9cho%2DDoppler%20puls%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2013-04-19
Record 2, English
Record 2, Subject field(s)
- Ultrasonography
- Cardiovascular System
Record 2, Main entry term, English
- Doppler spectrum
1, record 2, English, Doppler%20spectrum
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- Doppler waveform 2, record 2, English, Doppler%20waveform
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A time-velocity waveform that represents variations in intravascular blood flow during the cardiac cycle. 1, record 2, English, - Doppler%20spectrum
Record 2, Key term(s)
- Doppler wave form
Record 2, French
Record 2, Domaine(s)
- Ultrasonographie
- Système cardio-vasculaire
Record 2, Main entry term, French
- analyse spectrale Doppler
1, record 2, French, analyse%20spectrale%20Doppler
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- analyse spectrale doppler 2, record 2, French, analyse%20spectrale%20doppler
correct, feminine noun
- analyse spectrale 3, record 2, French, analyse%20spectrale
correct, feminine noun
- spectre Doppler 4, record 2, French, spectre%20Doppler
correct, masculine noun
- spectre doppler 3, record 2, French, spectre%20doppler
correct, masculine noun
- doppler spectral 1, record 2, French, doppler%20spectral
correct, masculine noun
- Doppler spectral 5, record 2, French, Doppler%20spectral
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
L'étude des vaisseaux, artères et veines, se fait en doppler, technique basée sur la réflexion des ultrasons sur les structures en mouvement(les globules rouges font ainsi office d’interfaces réfléchissantes), la fréquence de réception des ondes réfléchies sur le sang en mouvement étant dépendante de sa vitesse circulatoire. Ce phénomène est comparable avec le son perçu par un observateur à l'approche d’un véhicule, son qui s’intensifie et devient de plus en plus aigu jusqu'au moment où il passe devant lui, puis diminue progressivement lorsqu'il s’en éloigne, l'observateur prenant dans ce cas la place de la sonde ultrasonore, le véhicule celui du sang. Il en résulte donc un signal qui est représenté sur une échelle linéaire en fonction du temps(spectre doppler) représentant les fréquences et donc les vitesses circulatoires situées dans le vaisseau analysé où on a placé une fenêtre de tir pour le recueil du signal doppler(doppler pulsé). 4, record 2, French, - analyse%20spectrale%20Doppler
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2013-03-15
Record 3, English
Record 3, Subject field(s)
- Ultrasonography
- Cardiovascular System
Record 3, Main entry term, English
- Doppler spectrum analyser
1, record 3, English, Doppler%20spectrum%20analyser
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- Doppler waveform analyzer 2, record 3, English, Doppler%20waveform%20analyzer
correct
- Doppler waveform analyser 3, record 3, English, Doppler%20waveform%20analyser
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
A frequency shift Doppler power spectrum produced from a Doppler spectrum analyser connected to a Doppler probe. 4, record 3, English, - Doppler%20spectrum%20analyser
Record 3, Key term(s)
- Doppler spectrum analyzer
Record 3, French
Record 3, Domaine(s)
- Ultrasonographie
- Système cardio-vasculaire
Record 3, Main entry term, French
- analyseur de spectre Doppler
1, record 3, French, analyseur%20de%20spectre%20Doppler
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
On propose un algorithme de discrimination entre le signal et le bruit dans des analyseurs de spectre Doppler. Les résultats d’essais montrent que l'algorithme peut être utilisé pour estimer objectivement la fréquence maximale d’un spectre indépendemment du jugement subjectif de l'opérateur et du gain de l'analyseur de spectre. 2, record 3, French, - analyseur%20de%20spectre%20Doppler
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2013-03-05
Record 4, English
Record 4, Subject field(s)
- Ultrasonography
- Cardiovascular System
Record 4, Main entry term, English
- Doppler signal
1, record 4, English, Doppler%20signal
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- doppler signal 2, record 4, English, doppler%20signal
correct
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
The Doppler signal is contained within the series of consecutive received echoes from the gate. The Doppler signal is then revealed by the subsequent signal processing. 1, record 4, English, - Doppler%20signal
Record 4, French
Record 4, Domaine(s)
- Ultrasonographie
- Système cardio-vasculaire
Record 4, Main entry term, French
- signal Doppler
1, record 4, French, signal%20Doppler
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- signal doppler 2, record 4, French, signal%20doppler
correct, masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
L'avantage du spectre de fréquences est de pouvoir restituer en temps réel la gamme de fréquences contenue dans le signal Doppler et qui reflète la gamme de vitesses présente dans le vaisseau. Cette restitution est possible grâce à l'application d’une opération mathématique, la transformée de Fourier [...] Cette opération permet de passer d’une analyse de signal dans le domaine temporel à une représentation et une analyse dans le domaine fréquentiel. 3, record 4, French, - signal%20Doppler
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2012-10-29
Record 5, English
Record 5, Subject field(s)
- Acoustics (Physics)
- Optics
- Space Physics
Record 5, Main entry term, English
- Doppler effect
1, record 5, English, Doppler%20effect
correct, NATO, standardized, officially approved
Record 5, Abbreviations, English
Record 5, Synonyms, English
- Doppler-Fizeau effect 2, record 5, English, Doppler%2DFizeau%20effect
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
The change in the observed frequency of an acoustic or electromagnetic wave due to the relative motions of the source and the observer. 3, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 2 DEF
The phenomenon evidenced by the change in the observed frequency of a sound or radio wave caused by a time rate of change in the effective length of the path of travel between the source and the point of observation. [Definition standardized by NATO.] 4, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 1 CONT
The Doppler effect on sound waves is experienced in everyday life. When an ambulance passes us, the siren appears to change its note. As it approaches, the pitch is high. As it passes us, the pitch falls. The effect occurs with any type of waves, including light. In the case of sound the effect was described by Christian Andreas Doppler (1803-1853), while for the light it was observed by Armand Fizeau (1819-1896). That's why sometimes the effect is called the Doppler-Fizeau effect. 5, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 2 CONT
Doppler effect. ... the theory was [also] found to hold true for radio waves ... The Doppler effect is the only means now known for detecting the motion of certain very distant objects. It is also invaluable in the tracking of missiles. 6, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 3 CONT
... Armand Fizeau ... proved that the Doppler effect [in terms of electromagnetic phenomenon] also occurred in space. He proved that when a celestial object was moving away from Earth the lines of the spectrum [lower observed frequency] seen through a spectroscope would move towards the red end, and when the object was moving towards the Earth the lines of the spectrum [higher observed frequency] would move towards the blue end. 7, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 4 CONT
[The] "Doppler-Fizeau effect" or more simply "The Doppler effect" is usually shown and/or demonstrated by the example of the very definite change in the sound of a train and/or its whistle as the train passes a stationary observer. 8, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 1 OBS
Doppler effect: term standardized by NATO. 9, record 5, English, - Doppler%20effect
Record number: 5, Textual support number: 2 OBS
Doppler effect: term officially approved by the International Civil Aviation Organization (ICAO) and by the RADARSAT-2 Terminology Approval Group (RTAG). 10, record 5, English, - Doppler%20effect
Record 5, French
Record 5, Domaine(s)
- Acoustique (Physique)
- Optique
- Physique spatiale
Record 5, Main entry term, French
- effet Doppler
1, record 5, French, effet%20Doppler
correct, see observation, masculine noun, NATO, standardized, officially approved
Record 5, Abbreviations, French
Record 5, Synonyms, French
- effet Doppler-Fizeau 2, record 5, French, effet%20Doppler%2DFizeau
correct, see observation, masculine noun, standardized
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Changement dans la fréquence observée d’une onde acoustique ou électromagnétique en raison du mouvement relatif de la source et de l’observateur. 3, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 2 DEF
Variation apparente de fréquence d’une onde acoustique ou radioélectrique qui atteint un observateur ou un récepteur de radio, causée par une variation de la distance entre la source et l’opérateur ou le récepteur pendant la transmission. [Définition normalisée par l’OTAN]. 4, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 1 CONT
Effet Doppler. L’effet tient son nom du physicien Christian Johann Doppler, qui établit le principe physique du phénomène sur les ondes sonores en 1842. Lorsque l’émetteur de l’onde se rapproche de l’observateur, la fréquence semble plus grande (l’onde est «tassée»), et lorsqu’il s’en éloigne, la fréquence semble plus faible (l’onde est «dilatée»). C’est pourquoi la sirène d’une ambulance paraît plus aiguë quand elle s’approche d’un observateur et plus grave lorsqu’elle s’éloigne de lui. 5, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 2 CONT
L'effet Doppler-Fizeau. [...] phénomène qui se produit lorsqu'une source de vibration(sons, ultrasons) ou de rayonnements électromagnétiques(lumière, ondes radio...) de fréquence donnée est en mouvement par rapport à un observateur et qui se traduit pour celui-ci par une modification de la fréquence perçue. [...] Le même phénomène explique le décalage des raies spectrales dans le spectre d’émission d’un corps céleste(effet Doppler). Ce ne sont plus des longueurs d’ondes acoustiques mais des longueurs d’ondes lumineuses(ondes associées aux photons) émises par le corps en mouvement, on observe alors un décalage des raies spectrales vers le rouge(éloignement, périodes plus grandes) ou vers le bleu(rapprochement, périodes plus courtes). Ce décalage est donc fonction de la vitesse relative d’éloignement, ce qui permet aux astrophysiciens de déterminer la position, la vitesse et la composition d’un astre. À l'échelle atomique(modèle microscopique), l'effet Doppler-Fizeau est responsable de l'élargissement thermique des raies spectrales [...] 6, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 3 CONT
L’effet découvert par DOPPLER sur le son fut étendu à la lumière par le physicien français Hippolyte FIZEAU en 1848. Ce qui est vrai pour le son est vrai pour la lumière : le grave correspond au rouge et l’aigu au bleu. 7, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 1 OBS
En radar, il y a effet Doppler à l’aller et au retour [...] 8, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 2 OBS
[Selon cet auteur,] l’effet Doppler est appelé effet Doppler-Fizeau dans le cas des ondes électro-magnétiques. 9, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 3 OBS
effet doppler : terme normalisé par l’OTAN. 10, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 4 OBS
effet Doppler-Fizeau : terme normalisé par l’AFNOR. 11, record 5, French, - effet%20Doppler
Record number: 5, Textual support number: 5 OBS
effet Doppler : terme uniformisé par le Comité d’uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes, par l’Organisation de l’aviation civile internationale (OACI), par le Groupe de travail de terminologie de l’artillerie antiaérienne et par le Groupe de travail de la terminologie RADARSAT-2 (GTTR). 12, record 5, French, - effet%20Doppler
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Acústica (Física)
- Óptica
- Física espacial
Record 5, Main entry term, Spanish
- efecto Doppler
1, record 5, Spanish, efecto%20Doppler
correct, masculine noun, officially approved
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Record number: 5, Textual support number: 1 DEF
Cambio en la frecuencia observada de una onda acústica o electromagnética debido al movimiento relativo de la fuente o del observador. 2, record 5, Spanish, - efecto%20Doppler
Record number: 5, Textual support number: 1 OBS
efecto Doppler: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI). 3, record 5, Spanish, - efecto%20Doppler
Record 6 - internal organization data 2007-05-09
Record 6, English
Record 6, Subject field(s)
- Nuclear Physics
Record 6, Main entry term, English
- neutron physics
1, record 6, English, neutron%20physics
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
Neutron physics is concerned primarily with interactions between neutrons and individual nuclei or with the use of neutron beams as analytical devices, whereas reactor physics considers neutrons primarily as fission-producing agents. In the hierarchy of professional classification, neutron physics and reactor physics are both ranked as subfields of the more generalized area of nuclear physics. 2, record 6, English, - neutron%20physics
Record 6, French
Record 6, Domaine(s)
- Physique nucléaire
Record 6, Main entry term, French
- physique neutronique
1, record 6, French, physique%20neutronique
correct, feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Physique des réacteurs. Programme. [...] Physique neutronique : flux, spectre, taux de réaction, bilan neutronique, diffusion, ralentissement, thermalisation, absorption des neutrons, effet Doppler, effets de température, équation de la diffusion, théorie multigroupe, autoprotection, évolution des noyaux, cinétique. 2, record 6, French, - physique%20neutronique
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1997-03-26
Record 7, English
Record 7, Subject field(s)
- Chemistry
Record 7, Main entry term, English
- quadrupole splitting
1, record 7, English, quadrupole%20splitting
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
[In Mössbauer spectroscopy], the measured Doppler velocity difference between the two peaks seen in quadrupole split spectra from nuclides ... 1, record 7, English, - quadrupole%20splitting
Record 7, French
Record 7, Domaine(s)
- Chimie
Record 7, Main entry term, French
- dédoublement quadrupolaire
1, record 7, French, d%C3%A9doublement%20quadrupolaire
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
[En spectroscopie de Mössbauer], la différence mesurée de la vitesse Doppler entre deux pics observés dans un spectre de dédoublement quadripolaire de nucléides [...] 1, record 7, French, - d%C3%A9doublement%20quadrupolaire
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1996-11-21
Record 8, English
Record 8, Subject field(s)
- Chemistry
Record 8, Main entry term, English
- centre of a Mössbauer spectrum
1, record 8, English, centre%20of%20a%20M%C3%B6ssbauer%20spectrum
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
The centre of a Mössbauer spectrum is defined as the Doppler-velocity at which the resonance maximum is (or would be) observed when magnetic dipole, electric quadrupole, etc. hyperfine interactions are (or would be) absent. The contribution of the second order Doppler shift ... should be indicated, if possible. 1, record 8, English, - centre%20of%20a%20M%C3%B6ssbauer%20spectrum
Record 8, Key term(s)
- center of a Mössbauer spectrum
Record 8, French
Record 8, Domaine(s)
- Chimie
Record 8, Main entry term, French
- centre d'un spectre Mössbauer
1, record 8, French, centre%20d%27un%20spectre%20M%C3%B6ssbauer
correct, masculine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
On définit le centre d’un spectre Mössbauer par la vitesse Doppler à laquelle on observe(ou pourrait observer) une résonance maximale lorsque toutes les interactions hyperfines de dipôles magnétiques, des quadripôles électriques, etc. sont(ou seraient) absentes. Si cela est possible, on devrait indiquer la contribution du déplacement Doppler [...] du deuxième ordre. 1, record 8, French, - centre%20d%27un%20spectre%20M%C3%B6ssbauer
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1994-07-20
Record 9, English
Record 9, Subject field(s)
- Medical Imaging
Record 9, Main entry term, English
- post-stenosis turbulence
1, record 9, English, post%2Dstenosis%20turbulence
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
Stenosis of the proximal third of the renal artery (colour Doppler and pulsed Doppler). Note the abnormal colour coding at the stenosis and immediately upstream (arrow). Abnormal pulsed Doppler spectrum related to post-stenosis turbulence. 1, record 9, English, - post%2Dstenosis%20turbulence
Record 9, French
Record 9, Domaine(s)
- Imagerie médicale
Record 9, Main entry term, French
- turbulence post-sténotique
1, record 9, French, turbulence%20post%2Dst%C3%A9notique
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Doppler couleur et enregistrement en Doppler pulsé d’une sténose du tiers proximal de l'artère rénale. Notez les anomalies du codage couleur au niveau de la sténose et immédiatement en aval(flèche) et la dégradation du spectre enregistré en Doppler pulsé, liée aux turbulences post-sténotiques. 1, record 9, French, - turbulence%20post%2Dst%C3%A9notique
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1975-03-11
Record 10, English
Record 10, Subject field(s)
- Radio Broadcasting
- Telecommunications
Record 10, Main entry term, English
- transmitter frequency-drift 1, record 10, English, transmitter%20frequency%2Ddrift
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 OBS
the estimates (...) allow for the width of the radiated radio-frequency spectrum, typical guard bands, Doppler shifts and transmitter frequency-drifts. [1129] 1, record 10, English, - transmitter%20frequency%2Ddrift
Record 10, French
Record 10, Domaine(s)
- Radiodiffusion
- Télécommunications
Record 10, Main entry term, French
- dérive de fréquence des émetteurs 1, record 10, French, d%C3%A9rive%20de%20fr%C3%A9quence%20des%20%C3%A9metteurs
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 OBS
les estimations(...) tiennent compte de la largeur du spectre radioélectrique rayonné, des bandes de garde types, de l'effet Doppler et des dérives de fréquence des émetteurs. [trad] 1, record 10, French, - d%C3%A9rive%20de%20fr%C3%A9quence%20des%20%C3%A9metteurs
Record 10, Spanish
Record 10, Textual support, Spanish
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