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FREQUENCE BANDE BASE [12 records]
Record 1 - internal organization data 2025-02-28
Record 1, English
Record 1, Subject field(s)
- Radio Transmission and Reception
- Wireless and Mobile Communications
Record 1, Main entry term, English
- baseband unit
1, record 1, English, baseband%20unit
correct, noun
Record 1, Abbreviations, English
- BBU 1, record 1, English, BBU
correct, noun
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Baseband units (BBUs) provide a set of signal processing functions that make wireless communication possible. ... BBU processing detects errors, secures the wireless signal and ensures that wireless resources are used effectively. 1, record 1, English, - baseband%20unit
Record 1, French
Record 1, Domaine(s)
- Émission et réception radio
- Communications sans fil et mobiles
Record 1, Main entry term, French
- unité de bande de base
1, record 1, French, unit%C3%A9%20de%20bande%20de%20base
correct, feminine noun
Record 1, Abbreviations, French
- BBU 1, record 1, French, BBU
correct, feminine noun
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Une unité de bande de base(BBU) est un dispositif dans les systèmes de télécommunications qui transporte une fréquence de bande de base, généralement à partir d’une unité radio distante, à laquelle elle peut être liée par une fibre optique. 1, record 1, French, - unit%C3%A9%20de%20bande%20de%20base
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2024-02-22
Record 2, English
Record 2, Subject field(s)
- Telecommunications Transmission
Record 2, Main entry term, English
- baseband pulse transmission 1, record 2, English, baseband%20pulse%20transmission
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Transmission (Télécommunications)
Record 2, Main entry term, French
- transmission d’impulsion en bande de base
1, record 2, French, transmission%20d%26rsquo%3Bimpulsion%20en%20bande%20de%20base
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 OBS
Si on échantillonne un signal tous les T secondes, on ne peut reconstituer un signal dont la fréquence est supérieure à 1/2 T(théorème de Nyquist). La bande de fréquence de 0 à 1/2 T est appelée «bande de base». 1, record 2, French, - transmission%20d%26rsquo%3Bimpulsion%20en%20bande%20de%20base
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2020-02-27
Record 3, English
Record 3, Subject field(s)
- Telecommunications Transmission
Record 3, Main entry term, English
- baseband frequency
1, record 3, English, baseband%20frequency
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- base band frequency 2, record 3, English, base%20band%20frequency
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
It is practically impossible for everyone to transmit in baseband frequencies (a baseband frequency is the frequency spectrum that is occupied by the unmodulated signals). 1, record 3, English, - baseband%20frequency
Record 3, French
Record 3, Domaine(s)
- Transmission (Télécommunications)
Record 3, Main entry term, French
- fréquence de la bande de base
1, record 3, French, fr%C3%A9quence%20de%20la%20bande%20de%20base
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Transmisión (Telecomunicaciones)
Record 3, Main entry term, Spanish
- frecuencia de banda de base
1, record 3, Spanish, frecuencia%20de%20banda%20de%20base
correct, feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2014-09-12
Record 4, English
Record 4, Subject field(s)
- Data Transmission
- Wireless and Mobile Communications
Record 4, Main entry term, English
- high performance radio metropolitan area network
1, record 4, English, high%20performance%20radio%20metropolitan%20area%20network
correct
Record 4, Abbreviations, English
- HIPERMAN 1, record 4, English, HIPERMAN
correct
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
[A] standard created by the European Telecommunications Standards Institute (ETSI) Broadband Radio Access Networks (BRAN) group to provide a wireless network communication in the 2–11 GHz [gigahertz] bands across Europe and other countries which follow the ETSI standard. 2, record 4, English, - high%20performance%20radio%20metropolitan%20area%20network
Record number: 4, Textual support number: 1 CONT
HIPERMAN is aiming principally for providing broadband Wireless Internet access, while covering a large geographic area. 3, record 4, English, - high%20performance%20radio%20metropolitan%20area%20network
Record 4, French
Record 4, Domaine(s)
- Transmission de données
- Communications sans fil et mobiles
Record 4, Main entry term, French
- standard HiperMAN
1, record 4, French, standard%20HiperMAN
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- réseau métropolitain radio fréquence de haute performance 2, record 4, French, r%C3%A9seau%20m%C3%A9tropolitain%20radio%20fr%C3%A9quence%20de%20haute%20performance
masculine noun
- HiperMAN 1, record 4, French, HiperMAN
correct, masculine noun
- HiperMAN 1, record 4, French, HiperMAN
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Le standard HiperMAN constitue une base de spécifications pour le développement et l'interopérabilité des systèmes d’accès par liaison sans fil fixe dans la bande de fréquence comprise entre 2 GHz et 11 GHz [gigahertz]. 1, record 4, French, - standard%20HiperMAN
Record 4, Key term(s)
- réseau métropolitain radiofréquence de haute performance
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2004-09-03
Record 5, English
Record 5, Subject field(s)
- Electronics
Record 5, Main entry term, English
- decade
1, record 5, English, decade
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A group of assembly of 10 units; for example, a decade counter counts 10 in one column, and a decade box inserts resistance quantities in multiples of powers of 10. 1, record 5, English, - decade
Record number: 5, Textual support number: 1 CONT
... in a phase-modulation system, or in a frequency-modulation system with pre-emphasis at 20 dB per decade, operating well above threshold the thermal noise is constant over the whole base band, 2, record 5, English, - decade
Record 5, French
Record 5, Domaine(s)
- Électronique
Record 5, Main entry term, French
- décade
1, record 5, French, d%C3%A9cade
correct, feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Groupe ou suite de dix objets. 1, record 5, French, - d%C3%A9cade
Record number: 5, Textual support number: 1 CONT
[...] dans le cas d’un système à modulation de phase ou à modulation de fréquence avec préaccentuation de 20 dB par décade, fonctionnant bien au-dessus du seuil, le bruit thermique est constant dans toute la bande de base. 2, record 5, French, - d%C3%A9cade
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Electrónica
Record 5, Main entry term, Spanish
- década
1, record 5, Spanish, d%C3%A9cada
feminine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2003-02-03
Record 6, English
Record 6, Subject field(s)
- Telephone Facilities
- Telecommunications Transmission
Record 6, Main entry term, English
- group bank
1, record 6, English, group%20bank
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
- group translating equipment 1, record 6, English, group%20translating%20equipment
correct
- group translation equipment 2, record 6, English, group%20translation%20equipment
correct
Record 6, Textual support, English
Record 6, French
Record 6, Domaine(s)
- Installations (Téléphonie)
- Transmission (Télécommunications)
Record 6, Main entry term, French
- équipement de modulation de groupe primaire
1, record 6, French, %C3%A9quipement%20de%20modulation%20de%20groupe%20primaire
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
[...] équipement utilisé pour la transposition en fréquence et pour la juxtaposition de cinq groupes primaires de base dans la bande d’un groupe secondaire de base, et permettant l'opération inverse. 2, record 6, French, - %C3%A9quipement%20de%20modulation%20de%20groupe%20primaire
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Instalaciones telefónicas
- Transmisión (Telecomunicaciones)
Record 6, Main entry term, Spanish
- equipo de transposición de grupo primario
1, record 6, Spanish, equipo%20de%20transposici%C3%B3n%20de%20grupo%20primario
correct, masculine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2001-05-24
Record 7, English
Record 7, Subject field(s)
- Radio Transmission and Reception
- Telecommunications Transmission
Record 7, Main entry term, English
- capture effect
1, record 7, English, capture%20effect
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
In radar systems, the tendency of a receiver to suppress the weaker of two signals within its passband. 1, record 7, English, - capture%20effect
Record 7, French
Record 7, Domaine(s)
- Émission et réception radio
- Transmission (Télécommunications)
Record 7, Main entry term, French
- effet de capture
1, record 7, French, effet%20de%20capture
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Performances des démodulations en présence de bruit. Notions de rapport signal sur bruit. Schéma d’un récepteur, représentation des bruits. Signal en bande de base, rapport signal sur bruit de référence. Performances du démodulateur d’amplitude cohérent et du démodulateur d’enveloppe. Cas des signaux modulés en amplitude à double bande latérale et à bande latérale unique. Démodulateur de phase et de fréquence classique, performance dans le cas d’un rapport signal sur bruit élevé, effet de capture pour un rapport signal sur bruit faible. 1, record 7, French, - effet%20de%20capture
Record 7, Spanish
Record 7, Campo(s) temático(s)
- Radiotransmisión y radiorrecepción
- Transmisión (Telecomunicaciones)
Record 7, Main entry term, Spanish
- efecto de captura
1, record 7, Spanish, efecto%20de%20captura
correct, masculine noun
Record 7, Abbreviations, Spanish
Record 7, Synonyms, Spanish
Record 7, Textual support, Spanish
Record number: 7, Textual support number: 1 DEF
En sistemas de radar, tendencia de un receptor a suprimir la más débil de dos señales dentro de su banda de paso. 1, record 7, Spanish, - efecto%20de%20captura
Record 8 - internal organization data 1996-08-16
Record 8, English
Record 8, Subject field(s)
- Radiotelephony
Record 8, Main entry term, English
- base transmit
1, record 8, English, base%20transmit
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- base station transmit 1, record 8, English, base%20station%20transmit
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
The frequency bands sub-allocated to the cellular service are 824-849 MHz paired at 45 MHz separation with 869-894 MHs MHz. The band 824-849 MHz is used for mobile transmit and the band 869-894 MHz is used for base transmit. 1, record 8, English, - base%20transmit
Record 8, French
Record 8, Domaine(s)
- Radiotéléphonie
Record 8, Main entry term, French
- émission des stations de base
1, record 8, French, %C3%A9mission%20des%20stations%20de%20base
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 CONT
Les bandes de fréquence sous-attribuées au service cellulaire sont appariées avec une séparation de 45 MHz entre les bandes de 824 MHz à 849 MHz et la bande de 869 à 894 MHz est utilisée pour l'émission des stations de base. 1, record 8, French, - %C3%A9mission%20des%20stations%20de%20base
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1996-08-16
Record 9, English
Record 9, Subject field(s)
- Radiotelephony
Record 9, Main entry term, English
- mobile transmit
1, record 9, English, mobile%20transmit
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
The frequency bands sub-allocated to the cellular service are 824-849 MHz paired at 45 MHz separation with 869-894 MHs MHz. The band 824-849 MHz is used for mobile transmit and the band 869-894 MHz is used for base transmit. 1, record 9, English, - mobile%20transmit
Record 9, French
Record 9, Domaine(s)
- Radiotéléphonie
Record 9, Main entry term, French
- émission des stations mobiles
1, record 9, French, %C3%A9mission%20des%20stations%20mobiles
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Les bandes de fréquence sous-attribuées au service cellulaire sont appariées avec une séparation de 45 MHz entre les bandes de 824 MHz à 849 MHz et la bande de 869 à 894 MHz est utilisée pour l'émission des stations de base. 1, record 9, French, - %C3%A9mission%20des%20stations%20mobiles
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1991-10-18
Record 10, English
Record 10, Subject field(s)
- Radio Broadcasting
- Television (Radioelectricity)
Record 10, Main entry term, English
- second audio program channel
1, record 10, English, second%20audio%20program%20channel
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
... a frequency band centred at 78.67 kHz in the baseband containing a frequency modulated subcarrier for audio programming .... 1, record 10, English, - second%20audio%20program%20channel
Record 10, French
Record 10, Domaine(s)
- Radiodiffusion
- Télévision (Radioélectricité)
Record 10, Main entry term, French
- second canal d’émissions sonores
1, record 10, French, second%20canal%20d%26rsquo%3B%C3%A9missions%20sonores
masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 DEF
Bande de fréquences centrée sur 78, 67 kHz dans la bande de base et renfermant une sous porteuse modulée en fréquence pour la programmation sonore. 1, record 10, French, - second%20canal%20d%26rsquo%3B%C3%A9missions%20sonores
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1991-10-10
Record 11, English
Record 11, Subject field(s)
- Television (Radioelectricity)
- Radio Broadcasting
Record 11, Main entry term, English
- multiplex channel 1, record 11, English, multiplex%20channel
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
... a frequency band centred at 102.27 kHz in the baseband containing a frequency modulated subcarrier .... 1, record 11, English, - multiplex%20channel
Record 11, French
Record 11, Domaine(s)
- Télévision (Radioélectricité)
- Radiodiffusion
Record 11, Main entry term, French
- canal multiplexe
1, record 11, French, canal%20multiplexe
masculine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 DEF
Bande de fréquences centrée sur 102, 27 kHz dans la bande de base et renfermant une sous-porteuse modulée en fréquence. 1, record 11, French, - canal%20multiplexe
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1975-03-11
Record 12, English
Record 12, Subject field(s)
- Telecommunications Transmission
- Telecommunications Facilities
Record 12, Main entry term, English
- pregroup 1, record 12, English, pregroup
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 OBS
In carrier systems using more than one stage of modulation, a pregroup consists of four channels individually modulated to occupy the frequency range from 8 to 24 kilohertz. 1, record 12, English, - pregroup
Record 12, French
Record 12, Domaine(s)
- Transmission (Télécommunications)
- Installations de télécommunications
Record 12, Main entry term, French
- avant-groupe de base
1, record 12, French, avant%2Dgroupe%20de%20base
masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
- prégroupe de base 1, record 12, French, pr%C3%A9groupe%20de%20base
masculine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 OBS
multiplexage en fréquence. Groupe primaire de base :bande de fréquence, 60 à 108 kHz; groupe secondaire de base : 312 à 552 kHz; groupe tertiaire de base : 812 à 2044 kHz [...] 2, record 12, French, - avant%2Dgroupe%20de%20base
Record 12, Spanish
Record 12, Textual support, Spanish
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