HFC

noun

1. 氟烷，氟代烷烃，氢氟碳化合物（全写为 hydrofluorocarbon，尤用于喷雾器，对臭氧层无害）
   a type of gas used especially in aerosols (= types of container that release liquid in the form of a spray). HFCs are not harmful to the layer of the gas ozone in the earth's atmosphere. (abbreviation for hydrofluorocarbon )

1. Research, Development and Application of HFC Network Reverse Channel Monitoring System
   HFC网络反向通道监测系统的研究、开发和应用
2. An ALOHA multi-address method of upstream channel in HFC network is proposed based on multiple code CDMA.
   提出了一种基于多码分组CDMA的HFC网络上行信道ALOHA多址接入方式。
3. Research of Key Signal Processing Techniques on Physical Layer of Cable Modem in HFC Networks
   HFC接入网中CABLEModem物理层信号处理关键技术研究
4. Focus on Two-way Network Construction to One-way HFC+ EPON+ EOC Transfer
   关注双向网建设向单向HFC+EPON+EOC的转移
5. But some carbon specialists are uneasy that the use of credits generated by HFC reductions is distorting the market.
   但一些碳排放专家担心，利用氢氟烃气体减排所产生信用的做法，造成了市场的扭曲。
6. Integrated Services Bearer Network Construction and EoC Application on HFC Network
   建设综合业务承载网兼论EOC在HFC网络的应用
7. Discussion of Collecting Disturbance and Equalization in Return Path of HFC Network
   HFC网络回传通道干扰与均衡汇集问题的探讨
8. Realizing Intelligentized Community with CATV Network
   利用有线电视HFC双向网络实现小区智能化
9. This paper introduces the three functions of HFC Network Management System-status monitoring, signal monitoring, and channel monitoring.
   本论文的主要研究任务就是机务段股道管理自动化系统信号监测维修机软件的设计与实现。
10. This paper is about a new method of dealing with HFC network upstream influx noise from using FDQAM modulation technology and three-layer configuration model.
    提出了一种采用FDQAM调制技术和三层架构模型相结合解决HFC网络汇聚干扰的方法。
11. Application of EPON Technology in Tongshan Cable TV HFC Network Transformation
    EPON技术在铜山有线HFC网络改造中的应用
12. This paper introduces the functions, composition of the intelligent plot, and then discusses its implementation in CATV bidirectional 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HFC网络中的具体实现。
13. 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
14. This paper introduces structure, character, main design and method of adjustment of CATV two-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。
15. EPON Technology and Its Application to HFC Network Bidirectional Transformation
    EPON技术及其在HFC网络双向改造中的应用
16. Analysis of HFC Network Bidirectional Transformation Technology in Hunan
    湖南HFC双向网络改造技术方案分析
17. This paper presents a design of transparent bridge which can connect cable network and Ethernet in HFC network.
    实现了一种在光纤同轴电缆混合接入（HFC）中连接电缆网络和以太网的透明网桥。
18. 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
19. The function model of HFC communication system sender based on SCDMA is constructed in this paper, The modules of communication system can be simulated approaching the behavior of the hardware.
    对基于SCDMA接入方案的HFC上下行通信系统的发送机进行了功能仿真，为HFC接入网上行信道物理层的硬件实现创造了有利条件。
20. Analysis and Research on Cable Modem Remote Monitoring System Based on HFC
    基于HFC网CABLEModem远程监测分析系统的研究与实现
21. CATV HFC network is considered as one of the best network.
    有线电视HFC网是公认的最具前景的网络之一。
22. Solution of using HFC network to construct intelligent district
    利用HFC网建设智能小区的解决方案
23. New Idea of HFC Network Bidirectional Transformation& EPON Solution
    HFC网络双向改造的新思路&EPON解决方案
24. Design and Practice of HFC Transmission Mode of CATV in Longhai City
    龙海市有线电视光缆电缆综合网络传输模式的设计与实践
25. Problem and Solution in Two-way HFC Network Transmission
    双向HFC网络传输存在的问题与解决方案
26. HFC Access Network Design for Time-shift TV Service
    HFC接入网时移电视业务的网络设计
27. Pull-based broadcasting algorithm in P2P file-sharing system on HFC network
    HFC网络中P2P文件共享系统的按需广播算法
28. The Application of S/ CDMA Technology in HFC Network
    同步码分多址技术在光纤同轴混合网中的应用
29. This paper analyzes the characteristic of HFC upstream channel, proposes that using S-CDMA can obtain stable transmission on the condition of very low SNR.
    分析了HFC上行信道的特点，提出使用S-CDMA技术可以在极低的信噪比下获得稳固的传输特性。
30. Discussion on the Security and Stability of HFC Network
    HFC网络安全性与稳定性问题探讨

noun

1. a fluorocarbon emitted as a by-product of industrial manufacturing

   Synonym:    hydrofluorocarbon