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MODULATION DOUBLE [7 records]
Record 1 - internal organization data 2010-10-25
Record 1, English
Record 1, Subject field(s)
- Air Transport
Record 1, Main entry term, English
- dual modulation
1, record 1, English, dual%20modulation
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
(Communications). 1, record 1, English, - dual%20modulation
Record 1, French
Record 1, Domaine(s)
- Transport aérien
Record 1, Main entry term, French
- modulation double
1, record 1, French, modulation%20double
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
(Communications). 1, record 1, French, - modulation%20double
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Transporte aéreo
Record 1, Main entry term, Spanish
- modulación doble
1, record 1, Spanish, modulaci%C3%B3n%20doble
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Comunicaciones. 1, record 1, Spanish, - modulaci%C3%B3n%20doble
Record 2 - internal organization data 2002-05-16
Record 2, English
Record 2, Subject field(s)
- Radio Broadcasting
- Radiotelephony
Record 2, Main entry term, English
- double sideband modulation
1, record 2, English, double%20sideband%20modulation
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- double side band modulation 2, record 2, English, double%20side%20band%20modulation
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A form of amplitude modulation in which both the sideband signals produced in the modulation envelope are transmitted and detected. 3, record 2, English, - double%20sideband%20modulation
Record 2, French
Record 2, Domaine(s)
- Radiodiffusion
- Radiotéléphonie
Record 2, Main entry term, French
- modulation à double bande latérale
1, record 2, French, modulation%20%C3%A0%20double%20bande%20lat%C3%A9rale
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Radiodifusión
- Radiotelefonía
Record 2, Main entry term, Spanish
- modulación de doble banda lateral
1, record 2, Spanish, modulaci%C3%B3n%20de%20doble%20banda%20lateral
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 de transmisión que incluye las dos bandas laterales resultantes de la modulación de la portadora. 1, record 2, Spanish, - modulaci%C3%B3n%20de%20doble%20banda%20lateral
Record number: 2, Textual support number: 1 OBS
Este tipo de modulación se usa en todas las retransmisiones de radio AM. 1, record 2, Spanish, - modulaci%C3%B3n%20de%20doble%20banda%20lateral
Record 3 - internal organization data 1998-09-30
Record 3, English
Record 3, Subject field(s)
- Telecommunications Transmission
- Radio Waves
- Acoustics (Physics)
Record 3, Main entry term, English
- double modulation 1, record 3, English, double%20modulation
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, French
Record 3, Domaine(s)
- Transmission (Télécommunications)
- Ondes radioélectriques
- Acoustique (Physique)
Record 3, Main entry term, French
- double modulation
1, record 3, French, double%20modulation
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1998-06-22
Record 4, English
Record 4, Subject field(s)
- Radio Transmission and Reception
Record 4, Main entry term, English
- double-conversion
1, record 4, English, double%2Dconversion
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
- double frequency conversion 2, record 4, English, double%20frequency%20conversion
correct
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
The receiver uses double-conversion techniques to produce a first IF of 63 MHz and a second IF of 11.5 MHz. 1, record 4, English, - double%2Dconversion
Record 4, French
Record 4, Domaine(s)
- Émission et réception radio
Record 4, Main entry term, French
- double changement de fréquence
1, record 4, French, double%20changement%20de%20fr%C3%A9quence
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
(équipement de bord) comprend :(...)-un récepteur VHF à modulation d’amplitude, en pratique superhétérodyne double changement de fréquence, à fréquences calées, avec sélecteur de fréquences à distance. 2, record 4, French, - double%20changement%20de%20fr%C3%A9quence
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1990-07-27
Record 5, English
Record 5, Subject field(s)
- Telegraphic Switching
Record 5, Main entry term, English
- polar current modulation
1, record 5, English, polar%20current%20modulation
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record 5, French
Record 5, Domaine(s)
- Commutation télégraphique
Record 5, Main entry term, French
- modulation à double courant
1, record 5, French, modulation%20%C3%A0%20double%20courant
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Procédé de modulation en courant continu qui est utilisé sur des liaisons télégraphiques. 1, record 5, French, - modulation%20%C3%A0%20double%20courant
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1981-08-28
Record 6, English
Record 6, Subject field(s)
- Radioelectricity
- Telecommunications
Record 6, Main entry term, English
- compatible single sideband system 1, record 6, English, compatible%20single%20sideband%20system
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
One way to circumvent the problems of SSB broadcasting was to seek a variant of SSB modulation having an envelope comparable with the envelope of double sideband modulation (DSB). Such compatible single sideband (CSSB) systems were developed and tested but, although large band saving could be obtained, frequency-dependent transmission losses made the system liable to non-linear distortion. 1, record 6, English, - compatible%20single%20sideband%20system
Record 6, French
Record 6, Domaine(s)
- Radioélectricité
- Télécommunications
Record 6, Main entry term, French
- système à bande latérale unique compatible 1, record 6, French, syst%C3%A8me%20%C3%A0%20bande%20lat%C3%A9rale%20unique%20compatible
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
Pour surmonter ces difficultés, on a cherché à mettre au point une variante de la modulation BLU dont l'enveloppe serait comparable à celle de la modulation à double bande latérale(DBL). Des systèmes à bande latérale unique compatible(BLUC) ont été ainsi élaborés et mis à l'essai mais, s’ils permettent d’importantes économies sur la largeur de bande, l'affaiblissement de transmission en fonction de la fréquence les rend sensibles à la distorsion de non-linéarité. 1, record 6, French, - syst%C3%A8me%20%C3%A0%20bande%20lat%C3%A9rale%20unique%20compatible
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1980-08-12
Record 7, English
Record 7, Subject field(s)
- Electrical Measurements
Record 7, Main entry term, English
- signal null
1, record 7, English, signal%20null
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
Two signal nulls (180 degrees apart) are indicated by a reduction in audio level and a dip of the tuning meter needle. 1, record 7, English, - signal%20null
Record 7, French
Record 7, Domaine(s)
- Mesures électriques
Record 7, Main entry term, French
- nul du signal 1, record 7, French, nul%20du%20signal
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
Principe [du VDF à oscilloscope] réception sur aérien tournant à vitesse uniforme : le signal reçu(porteuse pure) se trouve alors modulé(modulation à double bandes latérales sans porteuse) et présente un nul deux fois par tour du diagramme;(...) 2, record 7, French, - nul%20du%20signal
Record 7, Spanish
Record 7, Textual support, Spanish
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