within ±5 times the necessary bandwidth either side of the channel centre

French translation: couvrant 5 fois la bande passante nécessaire de chaque côté du canal central

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:within ±5 times the necessary bandwidth either side of the channel centre
French translation:couvrant 5 fois la bande passante nécessaire de chaque côté du canal central
Entered by: Mélanie Chanat

10:35 Dec 18, 2007
English to French translations [PRO]
Tech/Engineering - Telecom(munications) / Out-of band emissions
English term or phrase: within ±5 times the necessary bandwidth either side of the channel centre
The complete sentence:
"For the purpose of this standard the out-of-band domain will be considered as the spectrum within ±5 times the necessary bandwidth either side of the channel centre but excluding the in-band signal."

The context:
Définition d'une émission hors-bande (masque spectral) dans le cadre d'une norme relative à des méthodes de mesure applicables aux émetteurs DRM

My question:
Est-ce que vous pourriez m'aider à comprendre cette phrase ?!! Merci beaucoup.

Mélanie
Mélanie Chanat
Germany
Local time: 16:17
couvrant 5 fois la bande passante nécessaire de chaque côté du canal central
Explanation:
largeur de couverture encadrant le bande de fréquences centrale
Selected response from:

Francis MARC
Lithuania
Local time: 17:17
Grading comment
Merci beaucoup de votre traduction Francis, sans oublier les explications.
3 KudoZ points were awarded for this answer



Summary of answers provided
4 +1See explanation below...
Tony M
3couvrant 5 fois la bande passante nécessaire de chaque côté du canal central
Francis MARC


  

Answers


6 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
couvrant 5 fois la bande passante nécessaire de chaque côté du canal central


Explanation:
largeur de couverture encadrant le bande de fréquences centrale

Francis MARC
Lithuania
Local time: 17:17
Native speaker of: Native in FrenchFrench
PRO pts in category: 176
Grading comment
Merci beaucoup de votre traduction Francis, sans oublier les explications.
Login to enter a peer comment (or grade)

7 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
See explanation below...


Explanation:
Suppose, for the sake of example, that the channel centre frequency is 500 MHz and that the necessary bandwidth is 20 MHz.

In that case, the 'out-of-band domain' they are seeking to define would extend [5 × 20 =] 100 MHz above [= +] and below [= –] the centre frequency, i.e. from 400 MHz up to 600 MHz.

Tony M
France
Local time: 16:17
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 186
Notes to answerer
Asker: thank you for your nice explanation Tony, it seems now that everything is clear now ;-)


Peer comments on this answer (and responses from the answerer)
agree  DanielT: and excluding the 490-510 MHz range (in-band), if we consider the complete sentence
8 mins
  -> Thanks, Daniel! Indeed, good point.
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