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certif_suppphysique
Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | |||
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certif_suppphysique [2025/05/31 10:23] 20.171.207.161 old revision restored (2022/03/14 17:36) |
certif_suppphysique [2025/05/31 10:23] (current) 20.171.207.161 old revision restored (2022/03/14 17:34) |
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|---|---|---|---|
| Line 18: | Line 18: | ||
| a = affaiblissent linéique : 1310nm = 0.4 dB/km ou 1550nm = 0.25 dB/km | a = affaiblissent linéique : 1310nm = 0.4 dB/km ou 1550nm = 0.25 dB/km | ||
| - | |||
| l = la longueur du tronçon à mesurer ( en km ) | l = la longueur du tronçon à mesurer ( en km ) | ||
| - | |||
| ae = atténuation d'une épissure : 1310nm = 0.2 dB ou 1550nm = 0.2 dB | ae = atténuation d'une épissure : 1310nm = 0.2 dB ou 1550nm = 0.2 dB | ||
| - | |||
| xe = le nombre d' | xe = le nombre d' | ||
| - | |||
| ac = atténuation du connecteur ( type grade C1 ou B1 ) C1 : 1310nm = 0.5 dB ou 1550nm = 0.5 dB | ac = atténuation du connecteur ( type grade C1 ou B1 ) C1 : 1310nm = 0.5 dB ou 1550nm = 0.5 dB | ||
| B1 : 1310nm = 0.25 dB ou 1550nm = 0.25 dB | B1 : 1310nm = 0.25 dB ou 1550nm = 0.25 dB | ||
| Line 31: | Line 27: | ||
| (dB)= a*l+ae*xe+ac*xc | (dB)= a*l+ae*xe+ac*xc | ||
| - | |||
| - | ---- | ||
| - | __rédigé par Mathéo Le Goff __ | + | __Le Goff Mathéo 1sn2__ |
certif_suppphysique.1748679792.txt.gz · Last modified: 2025/05/31 10:23 by 20.171.207.161
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