TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
Doppler spectrum [2 records]
Record 1 - internal organization data 2013-04-19
Record 1, English
Record 1, Subject field(s)
- Ultrasonography
- Cardiovascular System
Record 1, Main entry term, English
- Doppler spectrum
1, record 1, English, Doppler%20spectrum
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- Doppler waveform 2, record 1, English, Doppler%20waveform
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A time-velocity waveform that represents variations in intravascular blood flow during the cardiac cycle. 1, record 1, English, - Doppler%20spectrum
Record 1, Key term(s)
- Doppler wave form
Record 1, French
Record 1, Domaine(s)
- Ultrasonographie
- Système cardio-vasculaire
Record 1, Main entry term, French
- analyse spectrale Doppler
1, record 1, French, analyse%20spectrale%20Doppler
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- analyse spectrale doppler 2, record 1, French, analyse%20spectrale%20doppler
correct, feminine noun
- analyse spectrale 3, record 1, French, analyse%20spectrale
correct, feminine noun
- spectre Doppler 4, record 1, French, spectre%20Doppler
correct, masculine noun
- spectre doppler 3, record 1, French, spectre%20doppler
correct, masculine noun
- doppler spectral 1, record 1, French, doppler%20spectral
correct, masculine noun
- Doppler spectral 5, record 1, French, Doppler%20spectral
correct, masculine noun
Record 1, Textual support, French
Record number: 1, 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 1, French, - analyse%20spectrale%20Doppler
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1998-08-18
Record 2, English
Record 2, Subject field(s)
- Radar, Radio Guidance and Goniometry
- Radio Waves
Record 2, Main entry term, English
- Doppler spectrum
1, record 2, English, Doppler%20spectrum
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
In the processing of an image the Doppler spectrum is usually divided into a number of equal parts and a separate image is produced from each part. 2, record 2, English, - Doppler%20spectrum
Record 2, French
Record 2, Domaine(s)
- Radar, radioguidage et radiogoniométrie
- Ondes radioélectriques
Record 2, Main entry term, French
- spectre Doppler
1, record 2, French, spectre%20Doppler
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Textual support, Spanish
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