TERMIUM Plus®
From: Translation Bureau
On social media
Consult the Government of Canada’s terminology data bank.
FREQUENCE INSTANTANEE [11 records]
Record 1 - internal organization data 2023-06-28
Record 1, English
Record 1, Subject field(s)
- Scientific Measurements and Analyses
- Radar, Radio Guidance and Goniometry
- Military Communications
Record 1, Main entry term, English
- instantaneous frequency measurement
1, record 1, English, instantaneous%20frequency%20measurement
correct, NATO, standardized, officially approved
Record 1, Abbreviations, English
- IFM 2, record 1, English, IFM
correct, NATO, standardized, officially approved
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A measurement of a signal's frequency at a specific instant within an electromagnetic signal. 3, record 1, English, - instantaneous%20frequency%20measurement
Record number: 1, Textual support number: 1 OBS
The IFM is determined from the temporal rate of change of the phase of a signal. 3, record 1, English, - instantaneous%20frequency%20measurement
Record number: 1, Textual support number: 2 OBS
instantaneous frequency measurement; IFM: designations and definition officially approved by the Joint Terminology Panel; designations standardized by NATO. 4, record 1, English, - instantaneous%20frequency%20measurement
Record 1, French
Record 1, Domaine(s)
- Mesures et analyse (Sciences)
- Radar, radioguidage et radiogoniométrie
- Transmissions militaires
Record 1, Main entry term, French
- mesure de fréquence instantanée
1, record 1, French, mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
correct, feminine noun, NATO, standardized, officially approved
Record 1, Abbreviations, French
- MFI 2, record 1, French, MFI
correct, feminine noun, officially approved
- IFM 2, record 1, French, IFM
correct, feminine noun, officially approved
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Mesure de la fréquence d’un signal à un moment précis du signal électromagnétique. 2, record 1, French, - mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
Record number: 1, Textual support number: 1 OBS
La mesure de fréquence instantanée est déterminée à partir du taux de changement temporel de la phase d’un signal. 2, record 1, French, - mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
Record number: 1, Textual support number: 2 OBS
mesure de fréquence instantanée; MFI; IFM : désignations et définition uniformisées par le Groupe d’experts en terminologie interarmées. 3, record 1, French, - mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
Record number: 1, Textual support number: 3 OBS
mesure de fréquence instantanée : désignation normalisée par l'OTAN. 3, record 1, French, - mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2012-03-06
Record 2, English
Record 2, Subject field(s)
- Radio Broadcasting
- Telecommunications
- Military Communications
Record 2, Main entry term, English
- frequency modulation
1, record 2, English, frequency%20modulation
correct, NATO
Record 2, Abbreviations, English
- FM 2, record 2, English, FM
correct, NATO
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Angle modulation in which the instantaneous frequency of a sine-wave carrier is caused to depart from the carrier frequency by an amount proportional to the instantaneous amplitude of the modulating wave. 3, record 2, English, - frequency%20modulation
Record 2, French
Record 2, Domaine(s)
- Radiodiffusion
- Télécommunications
- Transmissions militaires
Record 2, Main entry term, French
- modulation de fréquence
1, record 2, French, modulation%20de%20fr%C3%A9quence
correct, feminine noun, NATO
Record 2, Abbreviations, French
- FM 1, record 2, French, FM
correct, feminine noun, NATO
- F.M. 2, record 2, French, F%2EM%2E
correct, see observation
- M.F. 3, record 2, French, M%2EF%2E
see observation
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Modulation angulaire d’une onde porteuse sinusoïdale telle que la fréquence instantanée de l'onde modulée diffère de la fréquence de l'onde porteuse d’une quantité proportionnelle à l'amplitude instantanée du signal modulant. 4, record 2, French, - modulation%20de%20fr%C3%A9quence
Record number: 2, Textual support number: 1 OBS
«Si l’abréviation anglaise (FM) s’est imposée dans l’usage universel, c’est que le sigle M.F. désigne déjà en français les moyennes fréquences», d’après une fiche (no 77) de Radio-Canada. 5, record 2, French, - modulation%20de%20fr%C3%A9quence
Record number: 2, Textual support number: 2 OBS
Il faut noter qu’en France l’abréviation F.M. est à éviter tandis qu’au Canada la Loi sur la radiodiffusion sanctionne cet usage. 6, record 2, French, - modulation%20de%20fr%C3%A9quence
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Radiodifusión
- Telecomunicaciones
- Comunicaciones militares
Record 2, Main entry term, Spanish
- modulación de frecuencia
1, record 2, Spanish, modulaci%C3%B3n%20de%20frecuencia
correct, feminine noun
Record 2, Abbreviations, Spanish
- FM 2, record 2, Spanish, FM
correct
Record 2, Synonyms, Spanish
- modulación en frecuencia 3, record 2, Spanish, modulaci%C3%B3n%20en%20frecuencia
correct, feminine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Sistema de modulación en el que la señal moduladora modifica el valor instantáneo de la frecuencia de la señal portadora. 2, record 2, Spanish, - modulaci%C3%B3n%20de%20frecuencia
Record number: 2, Textual support number: 1 CONT
La modulación de frecuencia se emplea en la frecuencia modulada de radio y en algunos métodos de transmisión de datos de baja velocidad por líneas telefónicas. 4, record 2, Spanish, - modulaci%C3%B3n%20de%20frecuencia
Record 3 - internal organization data 2009-04-30
Record 3, English
Record 3, Subject field(s)
- Noise Pollution
Record 3, Main entry term, English
- noise exposure
1, record 3, English, noise%20exposure
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
Not defined but related to noise levels, number of events ... and time of day. 1, record 3, English, - noise%20exposure
Record 3, French
Record 3, Domaine(s)
- Pollution par le bruit
Record 3, Main entry term, French
- exposition au bruit
1, record 3, French, exposition%20au%20bruit
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Officiellement, c'est l'intégration en fonction du temps du carré de la pression acoustique instantanée pondérée en fréquence pendant un intervalle de temps donné ou un événement spécifié. 1, record 3, French, - exposition%20au%20bruit
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2003-01-30
Record 4, English
Record 4, Subject field(s)
- Acoustics (Physics)
- Optics
- Telecommunications Transmission
Record 4, Main entry term, English
- instantaneous frequency
1, record 4, English, instantaneous%20frequency
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
The rate of change of phase, expressed in radians per second, divided by 2pi. 2, record 4, English, - instantaneous%20frequency
Record number: 4, Textual support number: 1 OBS
of an oscillation, not necessarily sinusoidal. 2, record 4, English, - instantaneous%20frequency
Record 4, French
Record 4, Domaine(s)
- Acoustique (Physique)
- Optique
- Transmission (Télécommunications)
Record 4, Main entry term, French
- fréquence instantanée
1, record 4, French, fr%C3%A9quence%20instantan%C3%A9e
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Quotient de 2pi de la dérivée par rapport au temps de la phase exprimé en radians. 1, record 4, French, - fr%C3%A9quence%20instantan%C3%A9e
Record number: 4, Textual support number: 1 OBS
d’une oscillation non nécessairement sinusoïdale. 1, record 4, French, - fr%C3%A9quence%20instantan%C3%A9e
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Acústica (Física)
- Óptica
- Transmisión (Telecomunicaciones)
Record 4, Main entry term, Spanish
- frecuencia instantánea
1, record 4, Spanish, frecuencia%20instant%C3%A1nea
correct, feminine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Relación del cambio de fase, expresado en radianes por segundo, dividido por 2pi. 1, record 4, Spanish, - frecuencia%20instant%C3%A1nea
Record number: 4, Textual support number: 1 OBS
De una oscilación, no necesariamente sinusoidal. 1, record 4, Spanish, - frecuencia%20instant%C3%A1nea
Record 5 - internal organization data 2002-08-14
Record 5, English
Record 5, Subject field(s)
- Radio Broadcasting
- Telecommunications
Record 5, Main entry term, English
- peak frequency deviation
1, record 5, English, peak%20frequency%20deviation
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- peak deviation 1, record 5, English, peak%20deviation
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
In angle modulation, the maximum value of the instantaneous frequency deviation for a given modulating signal. 2, record 5, English, - peak%20frequency%20deviation
Record 5, French
Record 5, Domaine(s)
- Radiodiffusion
- Télécommunications
Record 5, Main entry term, French
- excursion de fréquence maximale
1, record 5, French, excursion%20de%20fr%C3%A9quence%20maximale
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- déviation de fréquence de crête 1, record 5, French, d%C3%A9viation%20de%20fr%C3%A9quence%20de%20cr%C3%AAte
correct, feminine noun
- déviation de crête 1, record 5, French, d%C3%A9viation%20de%20cr%C3%AAte
correct, feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
En modulation angulaire, valeur maximale de la déviation instantanée de fréquence pour un signal modulant spécifié. 1, record 5, French, - excursion%20de%20fr%C3%A9quence%20maximale
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Radiodifusión
- Telecomunicaciones
Record 5, Main entry term, Spanish
- desviación de frecuencia de cresta
1, record 5, Spanish, desviaci%C3%B3n%20de%20frecuencia%20de%20cresta
correct, feminine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- desviación de cresta 1, record 5, Spanish, desviaci%C3%B3n%20de%20cresta
correct, feminine noun
- excursión de frecuencia de cresta 1, record 5, Spanish, excursi%C3%B3n%20de%20frecuencia%20de%20cresta
correct, feminine noun
- desviación pico de frecuencia 1, record 5, Spanish, desviaci%C3%B3n%20pico%20de%20frecuencia
feminine noun, Mexico
- desviación pico 1, record 5, Spanish, desviaci%C3%B3n%20pico
feminine noun
Record 5, Textual support, Spanish
Record number: 5, Textual support number: 1 DEF
En modulación angular, valor máximo de la desviación de frecuencia instantánea para una señal moduladora determinada. 1, record 5, Spanish, - desviaci%C3%B3n%20de%20frecuencia%20de%20cresta
Record 5, Key term(s)
- desviación pico frecuencia
Record 6 - internal organization data 1999-12-20
Record 6, English
Record 6, Subject field(s)
- Acoustics (Physics)
- Building Insulation and Acoustical Design
Record 6, Main entry term, English
- panoramic analyzer
1, record 6, English, panoramic%20analyzer
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 DEF
An instrument for analyzing sounds and displaying the results either on an oscilloscope or a graph. 1, record 6, English, - panoramic%20analyzer
Record 6, Key term(s)
- panoramic analyser
Record 6, French
Record 6, Domaine(s)
- Acoustique (Physique)
- Isolation et acoustique architecturale
Record 6, Main entry term, French
- analyseur panoramique
1, record 6, French, analyseur%20panoramique
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
[...] un analyseur panoramique [...] donne la distribution spectrale quasi instantanée dans laquelle les fréquences composantes du spectre acoustique sont représentées sous la forme de raies verticales parallèles dont les amplitudes sont proportionnelles aux tensions relatives à chaque fréquence composante. 1, record 6, French, - analyseur%20panoramique
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1988-02-09
Record 7, English
Record 7, Subject field(s)
- Telecommunications Facilities
Record 7, Main entry term, English
- channelized IFM receiver
1, record 7, English, channelized%20IFM%20receiver
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, French
Record 7, Domaine(s)
- Installations de télécommunications
Record 7, Main entry term, French
- récepteur de mesure de fréquence instantanée
1, record 7, French, r%C3%A9cepteur%20de%20mesure%20de%20fr%C3%A9quence%20instantan%C3%A9e
masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1984-11-01
Record 8, English
Record 8, Subject field(s)
- Radar, Radio Guidance and Goniometry
Record 8, Main entry term, English
- instantaneous-frequency-measurement receiver
1, record 8, English, instantaneous%2Dfrequency%2Dmeasurement%20receiver
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, French
Record 8, Domaine(s)
- Radar, radioguidage et radiogoniométrie
Record 8, Main entry term, French
- récepteur à mesure instantanée de la fréquence
1, record 8, French, r%C3%A9cepteur%20%C3%A0%20mesure%20instantan%C3%A9e%20de%20la%20fr%C3%A9quence
masculine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1983-09-30
Record 9, English
Record 9, Subject field(s)
- Telecommunications Facilities
Record 9, Main entry term, English
- instantaneous frequency estimation demodulator 1, record 9, English, instantaneous%20frequency%20estimation%20demodulator
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, French
Record 9, Domaine(s)
- Installations de télécommunications
Record 9, Main entry term, French
- démodulateur à estimation de la fréquence instantanée
1, record 9, French, d%C3%A9modulateur%20%C3%A0%20estimation%20de%20la%20fr%C3%A9quence%20instantan%C3%A9e
correct
Record 9, Abbreviations, French
- DEFI 1, record 9, French, DEFI
correct
Record 9, Synonyms, French
Record 9, Textual support, French
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1976-06-19
Record 10, English
Record 10, Subject field(s)
- Electric Power Distribution
Record 10, Main entry term, English
- equivalent instantaneous frequency 1, record 10, English, equivalent%20instantaneous%20frequency
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, French
Record 10, Domaine(s)
- Distribution électrique
Record 10, Main entry term, French
- fréquence instantanée équivalente
1, record 10, French, fr%C3%A9quence%20instantan%C3%A9e%20%C3%A9quivalente
feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1976-06-19
Record 11, English
Record 11, Subject field(s)
- Telecommunications Transmission
Record 11, Main entry term, English
- instantaneous frequency difference 1, record 11, English, instantaneous%20frequency%20difference
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, French
Record 11, Domaine(s)
- Transmission (Télécommunications)
Record 11, Main entry term, French
- différence instantanée de fréquence
1, record 11, French, diff%C3%A9rence%20instantan%C3%A9e%20de%20fr%C3%A9quence
feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record 11, Spanish
Record 11, Textual support, Spanish
Copyright notice for the TERMIUM Plus® data bank
© Public Services and Procurement Canada, 2026
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau
Features
GCtranslate (available on the Government of Canada network only)
Use this artificial intelligence prototype to translate Government of Canada content up to and including Protected B. Available to employees of selected departments and agencies only.
Writing tools
The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.
Glossaries and vocabularies
Access Translation Bureau glossaries and vocabularies.
- Date Modified: