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FREQUENCE PORTEUSE MODULEE AMPLITUDE [3 records]
Record 1 - internal organization data 2012-03-06
Record 1, English
Record 1, Subject field(s)
- Radio Broadcasting
- Telecommunications
- Military Communications
Record 1, Main entry term, English
- frequency modulation
1, record 1, English, frequency%20modulation
correct, NATO
Record 1, Abbreviations, English
- FM 2, record 1, English, FM
correct, NATO
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, 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 1, English, - frequency%20modulation
Record 1, French
Record 1, Domaine(s)
- Radiodiffusion
- Télécommunications
- Transmissions militaires
Record 1, Main entry term, French
- modulation de fréquence
1, record 1, French, modulation%20de%20fr%C3%A9quence
correct, feminine noun, NATO
Record 1, Abbreviations, French
- FM 1, record 1, French, FM
correct, feminine noun, NATO
- F.M. 2, record 1, French, F%2EM%2E
correct, see observation
- M.F. 3, record 1, French, M%2EF%2E
see observation
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, 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 1, French, - modulation%20de%20fr%C3%A9quence
Record number: 1, 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 1, French, - modulation%20de%20fr%C3%A9quence
Record number: 1, 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 1, French, - modulation%20de%20fr%C3%A9quence
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Radiodifusión
- Telecomunicaciones
- Comunicaciones militares
Record 1, Main entry term, Spanish
- modulación de frecuencia
1, record 1, Spanish, modulaci%C3%B3n%20de%20frecuencia
correct, feminine noun
Record 1, Abbreviations, Spanish
- FM 2, record 1, Spanish, FM
correct
Record 1, Synonyms, Spanish
- modulación en frecuencia 3, record 1, Spanish, modulaci%C3%B3n%20en%20frecuencia
correct, feminine noun
Record 1, Textual support, Spanish
Record number: 1, 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 1, Spanish, - modulaci%C3%B3n%20de%20frecuencia
Record number: 1, 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 1, Spanish, - modulaci%C3%B3n%20de%20frecuencia
Record 2 - internal organization data 2003-02-03
Record 2, English
Record 2, Subject field(s)
- Telegraphic Networks and Operations
- Telecommunications Transmission
- Radio Waves
Record 2, Main entry term, English
- sub-carrier frequency modulation
1, record 2, English, sub%2Dcarrier%20frequency%20modulation
correct
Record 2, Abbreviations, English
- SCFM 2, record 2, English, SCFM
correct
Record 2, Synonyms, English
- subcarrier frequency modulation 3, record 2, English, subcarrier%20frequency%20modulation
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
This modulated wave is used to modulate the higher frequency carrier wave of the radio circuit, which may employ any system of modulation, e.g. amplitude or frequency modulation. 4, record 2, English, - sub%2Dcarrier%20frequency%20modulation
Record 2, French
Record 2, Domaine(s)
- Réseaux et exploitation télégraphiques
- Transmission (Télécommunications)
- Ondes radioélectriques
Record 2, Main entry term, French
- modulation en fréquence d’une sous-porteuse
1, record 2, French, modulation%20en%20fr%C3%A9quence%20d%26rsquo%3Bune%20sous%2Dporteuse
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Cette onde modulée sert à moduler la fréquence porteuse la plus élevée de la liaison de radiocommunications, cette dernière pouvant utiliser un système quelconque de modulation, p. ex. en amplitude ou en fréquence. 1, record 2, French, - modulation%20en%20fr%C3%A9quence%20d%26rsquo%3Bune%20sous%2Dporteuse
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Redes y explotación telegráficas
- Transmisión (Telecomunicaciones)
- Ondas radioeléctricas
Record 2, Main entry term, Spanish
- modulación en frecuencia de una subportadora
1, record 2, Spanish, modulaci%C3%B3n%20en%20frecuencia%20de%20una%20subportadora
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Método empleado en transmisión por circuitos de radio en el que la información de imagen se utiliza para modular en frecuencia una onda de portadora de baja frecuencia, es decir, la subportadora. 1, record 2, Spanish, - modulaci%C3%B3n%20en%20frecuencia%20de%20una%20subportadora
Record number: 2, Textual support number: 1 OBS
Esta onda modulada se utiliza para modular en frecuencia la onda portadora de alta frecuencia del circuito de radio, que puede emplear cualquier sistema de modulación; por ejemplo, modulación de amplitud o de frecuencia. 1, record 2, Spanish, - modulaci%C3%B3n%20en%20frecuencia%20de%20una%20subportadora
Record 3 - internal organization data 1986-01-24
Record 3, English
Record 3, Subject field(s)
- Telecommunications Facilities
Record 3, Main entry term, English
- amplitude - modulated carrier frequency 1, record 3, English, amplitude%20%2D%20modulated%20carrier%20frequency
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, French
Record 3, Domaine(s)
- Installations de télécommunications
Record 3, Main entry term, French
- fréquence porteuse modulée en amplitude 1, record 3, French, fr%C3%A9quence%20porteuse%20modul%C3%A9e%20en%20amplitude
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
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