HFC网络,HFC network
1)HFC networkHFC网络
1.Thw study ofHFC network and its access system;HFC网络及其接入系统的研究
2.A QoS solution for CM inHFC network;一种适用于HFC网络CM的QoS解决方案
3.How to Deal with the Problem of Power cut on HFC Network;HFC网络应对停电的几种方案
英文短句/例句
1.HFC and EPON in Bidirectional Transformation of CATV有线电视网络双向化改造中的HFC网络与EPON网络
2.HFC Network Electric Meters Reading System--Collector;HFC网络电表集抄系统一集抄器部分
3.The Research on the Key Technologies of HFC Bidirectional Network;HFC网络双向对称传输关键技术的研究
4.Research on VOIP Technology and Application Based on HFC Network;基于HFC网络的VOIP技术及应用
5.The Study and Implement of Information Share System Based on CATV HFC Networks;基于有线电视HFC网络的信息共享系统
6.The Research of TMN Application in Bi-directional HFC Network;TMN在双向HFC网络中的应用研究
7.An Research of Token-Bus Protocol in Bi-directional HFC Networks;双向HFC网络中令牌总线接入方法研究
8.Research of Upstream Channel Bandwidth Allocation Algorithm In HFC Network;HFC网络中上行带宽分配算法的研究
9.The Study on Security of Data Transmission System in HFC Network;HFC网络数据传输系统安全的研究
10.Research And Agent Implementation On HFC Network Management;HFC网络管理的研究与代理软件实现
11.Study on Realizing Vlan s Function In HFC Network;在HFC网络中实现VLAN功能的研究
12.Realization of Dual Downstream Channel of CMTS in HFC Network;HFC网络中CMTS双下行信道的实现
13.Protocols Refering to VOD on HFC;在HFC网络中提供VOD业务的探讨
14.The Research of Monitoring System for HFC Network based on FPGA+DSP基于FPGA+DSP的HFC网络监测系统研究
15.RF PON-Top Pick of Two-Way Bandwidth Transformation Technology for HFC NetworksRF PON——HFC网络双向改造的首选技术
16.New Idea of HFC Network Bidirectional Transformation--EPON SolutionHFC网络双向改造的新思路——EPON解决方案
17.The Study on Echo Noise and Suppression Method in HFCHFC网络的回传噪声及抑制方法探析
18.Study to the transfer of Digital television based on the NHC network基于HFC网络的数字电视传输研究
相关短句/例句
HFC networksHFC网络
1.Firstly, this paper proposes an algorithm which can calculate accurately the total amount of mini-slots requested in the bandwidth request frame, based onHFC networks and DOCSIS specifications.首先提出了一种基于HFC网络和DOCSIS规范精确计算带宽请求微时隙的算法,该算法根据用户数据长度、MAC管理报文的大小计算出不同RF(射频)条件下发送上行数据所需要的最少微时隙数,有效提高了网络带宽利用率。
2.Discussed the designing method and steps ofHFC networks according to the practice of the designing in Anqing CATV networks, put forward a new concept in CATV networks designing systematically, scientifically and reasonably.结合安庆市有线电视网络设计实践 ,探讨HFC网络设计的方法和步骤 ,提出有线电视网络设计的系统化、科学化、合理化的概念。
3.Aiming that astral-type central allocation in bi-directionalHFC networks is not worth utilizing conventional HFC network frameworks, we propose, in this paper, the method of ATM based on bi-directionalHFC networks.本文针对双向HFC网络中存在上行噪声的汇聚和积累及上行信道总线冲突的技术难题，在上下行数据传输的工作体制方面，提出了基于ATM传输技术在双向HFC网络上实现CBR、VBR具体技术的方法，以此实现网络中的各种业务。
3)HFC networkHFC 网络
1.With the development of HFC broad band technology and the progress ofHFC network, it is quite necessarily to manage theHFC networks and its elements.随着HFC 接入技术的发展和HFC 网络建设的推进,迫切需要对HFC 网络进行管理。
2.It s critical for CATV network operator to enhance its core competitiveness by giving full play to the huge potential ofHFC networks.如何充分发挥现有 HFC 网络的潜力,提升在未来“三网融合”中的竞争力,对今后有线网络公司的发展至关重要。
4)two-way HFC network双向HFC网络
1.Adjustment to Return System of Two-way HFC Network;双向HFC网络反向系统的调试
2.This paper summarizes some understanding and experience oftwo-way HFC network design and transmission system debugging.文章对双向HFC网络的设计和调试总结了一些粗浅的认识和经验。
3.This paper introduces structure,character,main design and method of adjustment of CATVtwo-way HFC network.系统介绍有线电视双向HFC网络的结构、特点、设计要点与调整方法。
5)HFC Network technologyHFC网络技术
6)HFC network managementHFC网络管理
延伸阅读
Freon-152a，HFC-152a分子式：CH3CHF2CAS号：性质：又称氟里昂-152a。常温常压下为无色气体，有乙醚味。沸点-24.7℃。凝固点-117℃。液体密度pL200.95g/cm3。折射率nD-721.3011。临界温度113.5℃，临界压力44.4×105Pa，临界密度0.365g/cm3。溶于有机溶剂，微溶于水，有麻醉神经作用。易燃、低毒。由偏氯乙烯与无水氟化氢反应或干燥乙炔和氟化氢在氟磺酸催化下加成反应制得。用作制冷剂(替代CFC-12)和其他制冷剂中间体、喷雾剂、发泡剂，还用作氟橡胶原料。
