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MODULATING FREQUENCY [15 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2024-02-22

English

Subject field(s)
  • Internet and Telematics
OBS

frequency shift keying : a specialized modulation technique, in which the modulating signal is digital rather than analog.

French

Domaine(s)
  • Internet et télématique
OBS

modulation par déplacement de fréquence : la fréquence de la porteuse varie lorsqu'il y a changement dans l'état du signal transmis.

Spanish

Save record 1

Record 2 2023-02-28

English

Subject field(s)
  • Optics
  • Computer Graphics
  • Photography
CONT

A nonlinear hologram enables to record the amplitude and phase of a waveform by spatially modulating the second order nonlinear coefficient, so that when a pump laser illuminates it, this waveform is reconstructed at the second harmonic frequency.

French

Domaine(s)
  • Optique
  • Infographie
  • Photographie

Spanish

Save record 2

Record 3 - external organization data 2014-07-24

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
06.01.41 (19762)
ISO/IEC standard entry number
DEF

modulation in which a modulating digital signal varies the frequency of the output signal among a fixed number of predetermined values [ISO/IEC 2382-9, 09. 05. 13]

OBS

frequency shift keying; FSK: term, abbreviation and definition standardized by ISO/IEC [ISO/IEC 19762-4:2008].

French

Spanish

Save record 3

Record 4 - external organization data 2014-07-24

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
09.05.13 (2382)
ISO/IEC standard entry number
DEF

<data communication> modulation in which a modulating digital signal varies the frequency of the output signal among a fixed number of predetermined values

OBS

frequency shift keying; FSK: term, abbreviation and definition standardized by ISO/IEC [ISO/IEC 2382-9:1995].

French

Domaine(s)
  • Tiroir - ISO/CEI JTC 1 Vocabulaire des technologies de l'information
Entrée(s) universelle(s)
09.05.13 (2382)
ISO/IEC standard entry number
DEF

modulation par un signal numérique modulant qui fait varier la fréquence du signal de sortie parmi un nombre fixe de valeurs prédéfinies

OBS

modulation par déplacement de fréquence : terme et définition normalisés par l'ISO/CEI [ISO/IEC 2382-9:1995].

Spanish

Save record 4

Record 5 2013-10-03

English

Subject field(s)
  • Telecommunications Transmission
  • Remote Sensing
DEF

In angle modulation, with a sinusoidal modulating wave, the ratio of the frequency deviation to the frequency of the modulating wave.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Télédétection
DEF

Dans le cas d'une modulation d'angle par une onde de modulation sinusoïdale, rapport de la déviation de fréquence à la fréquence de l'onde modulante.

OBS

indice de modulation : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale (CUTS).

Spanish

Campo(s) temático(s)
  • Transmisión (Telecomunicaciones)
  • Teledetección
DEF

En la modulación de frecuencia, y en el caso particular en que la onda moduladora es sinusoidal pura, razón entre la desviación de frecuencia de la onda portadora y la frecuencia de la onda moduladora.

Save record 5

Record 6 - external organization data 2012-09-11

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
06.01.115 (19762)
ISO/IEC standard entry number
DEF

fundamental waveform, characterized by a single frequency and wavelength, used to carry data or information by modulating some feature of the waveform

OBS

cf. modulation (06.01.21)

OBS

sinusoidal carrier: term and definition standardized by ISO/IEC [ISO/IEC 19762-4:2008].

French

Spanish

Save record 6

Record 7 2012-03-06

English

Subject field(s)
  • Radio Broadcasting
  • Telecommunications
  • Military Communications
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.

French

Domaine(s)
  • Radiodiffusion
  • Télécommunications
  • Transmissions militaires
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.

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.

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.

Spanish

Campo(s) temático(s)
  • Radiodifusión
  • Telecomunicaciones
  • Comunicaciones militares
DEF

Sistema de modulación en el que la señal moduladora modifica el valor instantáneo de la frecuencia de la señal portadora.

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.

Save record 7

Record 8 2011-10-11

English

Subject field(s)
  • Wireless Telegraphy
  • Radar, Radio Guidance and Goniometry
  • Data Transmission
  • Military Communications
DEF

The form of frequency modulation in which the modulating wave shifts the output frequency between predetermined values, and the output wave has no phase discontinuity.

DEF

Frequency modulation in which a digital modulating signal varies the output frequency between a fixed number of predetermined values.

OBS

Commonly, the instantaneous frequency is shifted between two discrete values termed the mark and space frequencies.

OBS

frequency shift modulation: term officially approved by the International Civil Aviation Organization (ICAO).

French

Domaine(s)
  • Radiotélégraphie
  • Radar, radioguidage et radiogoniométrie
  • Transmission de données
  • Transmissions militaires
DEF

Modulation de fréquence par un signal numérique modulateur qui fait varier la fréquence du signal de sortie parmi un nombre fixe de valeurs prédéfinies.

OBS

transmission par déplacement de fréquence; transmission télégraphique par déplacement de fréquence : termes normalisés par l'AFNOR.

OBS

modulation par déplacement de fréquence : terme normalisé par la CSA et l'ISO.

OBS

modulation par déplacement de fréquence : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).

Spanish

Campo(s) temático(s)
  • Radiotelegrafía
  • Guía radárica, radioguía y radiogoniometría
  • Transmisión de datos
  • Comunicaciones militares
DEF

Método de modulación por el cual la señal moduladora desplaza la frecuencia de la señal portadora entre dos valores predeterminados y en el que la señal resultante no presenta discontinuidad de fase.

OBS

modulación por desplazamiento de frecuencia : término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).

Key term(s)
  • modulación FSK
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Record 9 - external organization data 2011-06-14

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
06.01.40 (19762)
ISO/IEC standard entry number
DEF

<radio communications> angle modulation in which each significant condition of a discretely timed modulating signal is represented by one of a specified set of discrete values of the frequency of the modulated signal [IEC 60050-702, 702-06-47]

OBS

frequency shift keying; FSK: term, abbreviation and definition standardized by ISO/IEC [ISO/IEC 19762-4:2008].

French

Spanish

Save record 9

Record 10 - external organization data 2009-08-04

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
05.01.02 (19762)
ISO/IEC standard entry number
DEF

process whereby a transponder responds to a reader/interrogation signal or field by modulating and re-radiating or transmitting the response signal at the same carrier frequency

OBS

backscatter: term and definition standardized by ISO/IEC [ISO/IEC 19762-3:2008].

French

Spanish

Save record 10

Record 11 2009-04-06

English

Subject field(s)
  • Radio Transmission and Reception
  • Remote Sensing
DEF

A process whereby a transponder responds to a reader/interrogation signal or field by modulating and re-radiating or transmitting the response signal at the same carrier frequency.

OBS

backscatter: term and definition standardized by ISO/IEC [International Electrotechnical Commission].

French

Domaine(s)
  • Émission et réception radio
  • Télédétection
DEF

Processus au moyen duquel un transpondeur répond à un signal ou champ de lecture/interrogation par modulation et rerayonnement ou transmission d'un signal de réponse à la même fréquence porteuse.

Spanish

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Record 12 2002-08-14

English

Subject field(s)
  • Radio Broadcasting
  • Telecommunications
DEF

In angle modulation, the maximum value of the instantaneous frequency deviation for a given modulating signal.

French

Domaine(s)
  • Radiodiffusion
  • Télécommunications
DEF

En modulation angulaire, valeur maximale de la déviation instantanée de fréquence pour un signal modulant spécifié.

Spanish

Campo(s) temático(s)
  • Radiodifusión
  • Telecomunicaciones
DEF

En modulación angular, valor máximo de la desviación de frecuencia instantánea para una señal moduladora determinada.

Key term(s)
  • desviación pico frecuencia
Save record 12

Record 13 2002-05-22

English

Subject field(s)
  • Telecommunications Facilities
DEF

A modulator which varies the frequency of a carrier according to the information-bearing parameter of the modulating signal, generally its amplitude, thus producing a frequency-modulated wave of constant amplitude.

French

Domaine(s)
  • Installations de télécommunications

Spanish

Campo(s) temático(s)
  • Instalaciones de telecomunicaciones
DEF

Modulador que varía la frecuencia de una portadora de acuerdo con el parámetro portador de información de la señal moduladora, generalmente su amplitud, produciendo de este modo una de frecuencia modulada de amplitud constante.

Save record 13

Record 14 2001-09-25

English

Subject field(s)
  • Radiotelephony
DEF

A transmitter that transmits the carrier frequency and both sidebands resulting from the modulation of the carrier by the modulating signal.

French

Domaine(s)
  • Radiotéléphonie

Spanish

Campo(s) temático(s)
  • Radiotelefonía
DEF

Emisor que transmite la frecuencia portadora y las dos bandas laterales resultantes de la modulación de la portadora que efectúa la señal moduladora.

Save record 14

Record 15 1998-09-23

English

Subject field(s)
  • Radio Transmission and Reception
  • Waveguides
CONT

The IF preamplifier output contains products of the mixing process which are at the FM modulating frequency with the Doppler shift added....

French

Domaine(s)
  • Émission et réception radio
  • Guides d'ondes

Spanish

Save record 15

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