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MODULATION AMPLITUDE POSITIVE [3 records]
Record 1 - internal organization data 2007-01-31
Record 1, English
Record 1, Subject field(s)
- Television (Radioelectricity)
Record 1, Main entry term, English
- positive amplitude modulation
1, record 1, English, positive%20amplitude%20modulation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A form of modulation in which the amplitude of the vision signal increases with increasing luminosity of the picture elements. 2, record 1, English, - positive%20amplitude%20modulation
Record number: 1, Textual support number: 1 OBS
Many European TV standards use this type of modulation. 3, record 1, English, - positive%20amplitude%20modulation
Record 1, French
Record 1, Domaine(s)
- Télévision (Radioélectricité)
Record 1, Main entry term, French
- modulation d'amplitude positive
1, record 1, French, modulation%20d%27amplitude%20positive
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Modulation d’amplitude telle que le passage du noir au blanc du signal d’image modulant corresponde à une augmentation de l’amplitude de l’oscillation modulée. 2, record 1, French, - modulation%20d%27amplitude%20positive
Record number: 1, Textual support number: 1 OBS
On utilise cette forme de modulation surtout en Europe. 3, record 1, French, - modulation%20d%27amplitude%20positive
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Televisión (Radioelectricidad)
Record 1, Main entry term, Spanish
- modulación de amplitud positiva
1, record 1, Spanish, modulaci%C3%B3n%20de%20amplitud%20positiva
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2004-02-23
Record 2, English
Record 2, Subject field(s)
- Television (Radioelectricity)
- Facsimile
- Computer Graphics
Record 2, Main entry term, English
- picture signal
1, record 2, English, picture%20signal
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- image signal 2, record 2, English, image%20signal
correct
- pictorial signal 3, record 2, English, pictorial%20signal
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
In television, the signal resulting from the scanning process. 4, record 2, English, - picture%20signal
Record number: 2, Textual support number: 1 OBS
See videosignal. 5, record 2, English, - picture%20signal
Record 2, French
Record 2, Domaine(s)
- Télévision (Radioélectricité)
- Télécopie
- Infographie
Record 2, Main entry term, French
- signal d’image
1, record 2, French, signal%20d%26rsquo%3Bimage
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- signal-image 2, record 2, French, signal%2Dimage
correct, masculine noun
- signal image 3, record 2, French, signal%20image
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Signal vidéo constitué par les informations électriques qui correspondent aux variations de luminance et de chrominance des éléments de l’image ou de la scène soumise au procédé de balayage. 3, record 2, French, - signal%20d%26rsquo%3Bimage
Record number: 2, Textual support number: 1 CONT
Le signal-image est dit à modulation positive [...] si à une augmentation d’éclairement correspond un accroissement de l'amplitude de ce signal; il est dit à modulation négative dans le cas contraire [...] 2, record 2, French, - signal%20d%26rsquo%3Bimage
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Televisión (Radioelectricidad)
- Facsímil
- Gráficos de computadora
Record 2, Main entry term, Spanish
- señal de imagen 1, record 2, Spanish, se%C3%B1al%20de%20imagen
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1989-01-25
Record 3, English
Record 3, Subject field(s)
- Television (Radioelectricity)
Record 3, Main entry term, English
- keyed automatic gain control
1, record 3, English, keyed%20automatic%20gain%20control
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- keyed agc 2, record 3, English, keyed%20agc
correct
- gated automatic gain control 1, record 3, English, gated%20automatic%20gain%20control
correct
- gated agc 1, record 3, English, gated%20agc
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A special type of automatic gain control (agc) used in television receivers, whereby the negative bias used to regulate RF and IF amplifier gain is derived from the synchronization pulse portion of the video signal. By excluding the picture information as a means of establishing signal strength, there is no tendency to darken bright scenes or to lighten dark scenes. 3, record 3, English, - keyed%20automatic%20gain%20control
Record 3, French
Record 3, Domaine(s)
- Télévision (Radioélectricité)
Record 3, Main entry term, French
- commande automatique de gain à créneaux
1, record 3, French, commande%20automatique%20de%20gain%20%C3%A0%20cr%C3%A9neaux
proposal, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- C.A.G. à créneaux 1, record 3, French, C%2EA%2EG%2E%20%C3%A0%20cr%C3%A9neaux
proposal, feminine noun
- commande automatique de gain synchronisée 2, record 3, French, commande%20automatique%20de%20gain%20synchronis%C3%A9e
feminine noun
- C.A.G. synchronisée 2, record 3, French, C%2EA%2EG%2E%20synchronis%C3%A9e
feminine noun
- commande automatique de gain à déclenchement 2, record 3, French, commande%20automatique%20de%20gain%20%C3%A0%20d%C3%A9clenchement
feminine noun
- C.A.G. à déclenchement 2, record 3, French, C%2EA%2EG%2E%20%C3%A0%20d%C3%A9clenchement
feminine noun
- C.A.G. à asservissement 2, record 3, French, C%2EA%2EG%2E%20%C3%A0%20asservissement
feminine noun
- commande automatique de gain à action rapide 2, record 3, French, commande%20automatique%20de%20gain%20%C3%A0%20action%20rapide
avoid, feminine noun
- C.A.G. à action rapide 2, record 3, French, C%2EA%2EG%2E%20%C3%A0%20action%20rapide
avoid, feminine noun
- antifading à action rapide 3, record 3, French, antifading%20%C3%A0%20action%20rapide
avoid, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Dispositif utilisé dans les récepteurs de télévisions à modulation d’amplitude négative du signal vidéo pour régler automatiquement le gain des amplificateurs RF et FI> Ce dispositif dérive sa tension de commande du détecteur vidéo uniquement durant le passage des impulsions de synchronisation. Ces dernières ont une amplitude constante supérieure à toutes les autres composantes vidéo, notamment celles de l’image. Ainsi, la C.A.G. n’est pas assujettie aux variations dues au passage d’une vue ensoleillé à une scène de nuit, par exemple. 1, record 3, French, - commande%20automatique%20de%20gain%20%C3%A0%20cr%C3%A9neaux
Record number: 3, Textual support number: 1 OBS
Ce dispositif n’ existe pas dans les récepteurs français, puisque la télévision française emploie la modulation d’amplitude positive, par conséquent il faudra utiliser d’autres moyens pour obtenir les mêmes résultats. 1, record 3, French, - commande%20automatique%20de%20gain%20%C3%A0%20cr%C3%A9neaux
Record 3, Spanish
Record 3, Textual support, Spanish
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