1) Upstream communication of HFC
HFC上行通信
2) upstream channel in HFC
HFC上行通路
1.
Alot of noises accumulate on the upstream channel in HFC (Hybrid Fiber-Coax)system ,which caused the difficulty in bi directional operations, Therefore,suppressing them is very difficult.
HFC上行通路汇集了大量的各类噪声 ,严重影响着其双向业务的开通 ,如何对这些噪声进行抑制是个难题。
3) hybrid fiber-coax up-stream channel
HFC网上行信道
4) Upstream communication
上行通信
1.
Upstream communication is the key in the construction of HFC access network.
HFC上行通信是构建宽带HFC接入网的关键。
5) mobile communication network based on HFC network
HFC移动通信网
1.
This article introduces conception of HFC network and service district, looks forward to establishing mobile communication network based on HFC network, gives its principle, advantage and disadvantage.
介绍了HFC网和服务区的概念,提出建立HFC移动通信网的方案,阐述了其基本工作原理和优缺点。
6) upstream burst communication
上行突发通信
1.
Therefore many complex problems are educed for an EPON system, such as physical medium parameters, encoder/decoder, SerDes, upstream burst communication, etc.
因而 EPON在物理媒质参数、编 /解码和串行 /解串、上行突发通信等方面引出了较为复杂的问题 ,文章在详细阐述千兆以太网物理层结构的基础上 ,深入探讨了上述EPON系统中的物理层问题 ,并给出了相应的解决方法 。
补充资料:上行
1.上升。 2.谓君上的行事。 3.指上级的指示或命令。 4.官府文书由下级致上级称上行。 5.从下游向上游行驶。 6.我国铁路部门规定,列车在干线上朝着首都方向行驶,在支线上朝着连接干线的车站行驶,皆谓之"上行"。上行列车编号用偶数,如:14次,82次,104次等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条