侵入早噪声对双向有线电视网的影响最大，其大部分来自于用户室内。
The invading noise has the greatest effect on the upstream of two way CATV system, which mainly comes from the indoor of the users.
文中详细论述了作为多功能双向有线电视AM光纤-同轴网的特性，设计程序和安装、调试要领。
This paper discusses in detail about the characters, design procedures, installation and adjustment of multifunction two-way CATV AM optical fibre-coaxial network.
本文设计的HF C网管系统，是双向有线电视网络管理的重要设备，应用这些设备可以大大提高CAT V网络运行的可靠性和网络管理水平。
The designed HFC network management system in the paper is important equipment for two-way CATV network management.
系统介绍有线电视双向HF C网络的结构、特点、设计要点与调整方法。
This paper introduces structure, character, main design and method of adjustment of CATV two-way HFC network.
介绍智能化小区系统的功能、组成，以及智能化小区在有线电视双向HF C网络中的具体实现。
This paper introduces the functions, composition of the intelligent plot, and then discusses its implementation in CATV bidirectional HFC network.
针对有线电视网双向改造的需要，设计了一种电路简洁、性能优良、成本低廉的双向放大器。
Aimed at the need of CATV network bi-directional transform, designed a kind of bi-directional amplifier with succinct circuit, cheap cost.
为了使有线电视运营商开展双向的数据服务，他们首先必须把单向的有线基础设施升级到双向。
In order for cable operators to deploy two-way data services, they must first upgrade their wiring infrastructure from one-way to two-way.
本文结合济南市有线电视HFC双向网络的实际情况，论述了基于HMS标准的光传输设备网管系统。
This paper shows us an optical transmission devices network management system based on HMS standard according to situation of Jinan CATV bi-direction HFC network.
单向传输的有线电视系统可被改造成双向HFC网络。
CATV system of mono-directional transmission may be changed into bidirectionalHFC network.
本文介绍了一种基于有线电视双向HF C网络的区域教学系统，对此新系统的结构、功能、特点以及教学模式等方面进行了扼要说明。
This paper introduced a system of teaching in area coverage based on CATV integrated network, nd made a brief account of its structure, functions, characteristic and teaching modes.
本文介绍了一种基于有线电视双向HF C网络的区域教学系统，对此新系统的结构、功能、特点以及教学模式等方面进行了扼要说明。
This paper introduced a system of teaching in area coverage based on CATV integrated network, nd made a brief account of its structure, functions, characteristic and teaching modes.
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