TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

BASEBAND SIGNAL [9 records]

Record 1 2025-02-28

English

Subject field(s)
  • Radio Transmission and Reception
  • Wireless and Mobile Communications
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.

French

Domaine(s)
  • Émission et réception radio
  • Communications sans fil et mobiles
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.

Spanish

Save record 1

Record 2 2017-05-11

English

Subject field(s)
  • Telecommunications Transmission
  • Electrical Measuring: Practice
DEF

In digital transmission, the pattern produced by an oscilloscope when a baseband digital signal is applied to the vertical input terminals, the time base being triggered at the symbol rate.

Key term(s)
  • eye diagramme

French

Domaine(s)
  • Transmission (Télécommunications)
  • Exécution des mesures électriques

Spanish

Save record 2

Record 3 2006-09-20

English

Subject field(s)
  • Remote Sensing
CONT

A "RAW Signal Data" product contains raw or unprocessed radar video baseband data in complex in-phase and quadrature signal(I and Q) format as they are recorded by the spacecraft. The only processing performed to the downlink X-band "raw signal data" is the frame synchronization, meaning re-assembly of the data into contiguous radar range lines in matrix form, and the CEOS [Committee on Earth Observations Satellite] formatting. Each range line of data is represented by one Signal Data Record in the RAW CEOS product.

OBS

The RAW product can contain any single beam mode, or for ScanSAR any combination of different beam modes, depending on the operation of the SAR instrument during the data reception or recording period. A RAW product cannot, however, combine data from more than one beam mode, i.e. data from two different beam modes are always packaged as two separate products. A RAW product must be SAR processed before it can be displayed as imagery. RAW products are typically produced on 8 mm (Exabyte) tapes. This is the standard medium for exchanging data between network stations.

OBS

Raw data products are available for all RADARSAT beam modes.

OBS

"raw signal data" product: term officially approved by the RADARSAT-2 Terminology Approval Group (RTAG).

French

Domaine(s)
  • Télédétection
OBS

Les produits RADARSAT sont disponibles en format archive ou informatisé (différents niveaux de traitement). Caractéristiques du produit : signal radar brut avec données auxiliaires; traitements visés et synthèse d'images, interférométrie.

OBS

produit «raw signal data» : terme uniformisé par le Groupe de travail de la terminologie de RADARSAT-2 (GTTR).

Spanish

Save record 3

Record 4 2003-11-26

English

Subject field(s)
  • Telecommunications
  • Informatics
CONT

The Telemetry baseband sub-system receives the signal bit stream and the associated clock(s) from the bit conditioner. Mostly two types of baseband sub-systems are installed in different stations of the ESA network i. e. Mk II and Mk III baseband.

French

Domaine(s)
  • Télécommunications
  • Informatique

Spanish

Save record 4

Record 5 2002-09-16

English

Subject field(s)
  • Telecommunications Transmission
  • Radio Transmission and Reception
DEF

A form of biphase signal coding in which a change of state(amplitude) in the original binary baseband signal is represented by a change of phase in the biphase signal.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Émission et réception radio

Spanish

Save record 5

Record 6 2002-01-24

English

Subject field(s)
  • Telecommunications Transmission
  • Optical Telecommunications
DEF

A transmission in which the signal is carried on a light beam modulated at the baseband frequencies of the information.

French

Domaine(s)
  • Transmission (Télécommunications)
  • Télécommunications optiques

Spanish

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

Transmisión en la que la señal es transportada en un haz de luz modulado en frecuencias de información de banda base.

Save record 6

Record 7 1998-10-02

English

Subject field(s)
  • Radio Transmission and Reception
  • Telecommunications Transmission
DEF

a digital data stream that transmits information in the form of a voltage level or signal amplitude.

French

Domaine(s)
  • Émission et réception radio
  • Transmission (Télécommunications)

Spanish

Save record 7

Record 8 1993-06-04

English

Subject field(s)
  • Telecommunications
  • Radio Broadcasting
DEF

The portion of an FM baseband signal extending from 53-99 kHz.

CONT

The SCMO is used to carry an auxiliary monaural voice, or music signal, or data.

French

Domaine(s)
  • Télécommunications
  • Radiodiffusion
DEF

La portion d'un signal de la bande de base FM allant de 53 - 99 kHz.

CONT

L'EMCS est utilisée pour distribuer un signal monaural auxiliaire de voix ou de musique, ou de données.

Spanish

Save record 8

Record 9 1990-05-01

English

Subject field(s)
  • Television (Radioelectricity)

French

Domaine(s)
  • Télévision (Radioélectricité)
OBS

Source : Conclusions Commission d'études II sur la TVHD (VIT).

Spanish

Save record 9

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