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发明名称
Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken
摘要
申请公布号
DE60226190(D1)
申请公布日期
2008.06.05
申请号
DE20026026190
申请日期
2002.03.07
申请人
NORTEL NETWORKS LTD.
发明人
HEATH, RICHARD;ANSLOW, PETER J.
分类号
H04J14/02;H04B10/08
主分类号
H04J14/02
代理机构
代理人
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地址
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