A.thesignaltonoiseofthecurrentopticalamplifier
B.thesignaltonoiseofthepreviousamplifierorsource
C.thesignaltonoiseintroducedbytheopticalmultiplexer
D.theaccumulatednoisetosignalratiooftheopticalchannel
正确答案:参考B

A.thesignaltonoiseofthecurrentopticalamplifier
B.thesignaltonoiseofthepreviousamplifierorsource
C.thesignaltonoiseintroducedbytheopticalmultiplexer
D.theaccumulatednoisetosignalratiooftheopticalchannel
正确答案:参考B
上一篇 On which of the following cables would a technician find a BNC connector installed?()
下一篇 当用户呼叫进入虚拟呼叫中心后,系统根据用户拨打的被叫号码启动相应的自动流程。那么在VDN配置中,需要给该流程文件配置哪种启动类型()。