1) cable digital TV networking in cities and counties
有线数字电视市县联网
1.
Then it described the application outlook of 1550nm fiber-optic ring network in the cable digital TV networking in cities and counties.
通过对基于DVB-C 1 550 nm长距离模拟单向光纤传输系统改造为自愈性环网的实践,解决了1 550 nm光纤环网工程中遇到的接收点主路与备路信号源QAM频点不一致,接收点光功率变化的控制及接收点主路、备路信号切换控制3个主要问题,说明了1 550 nm光纤环网在有线数字电视市县联网中的广泛应用前景。
2) bidirectional wired digital television network
有线数字电视双向网
1.
This article introduces the composition of the bidirectional wired digital television network,and expounds the five basic integrants of the network building,especially the technology requirement of each integrant.
介绍有线数字电视双向网的组成,论述建设城市有线数字电视双向网络的5个基本组成部分以及各部分在网络建设中的技术要求,系统介绍HFC光纤传输网、电缆分配网的组成,分析FTTC与FTTB之间的关系。
3) cable digital TV
有线数字电视
1.
The Research of Promotion Strategy of Chinese Cable Digital TV;
我国有线数字电视的推广模式研究
2.
The Implementation of Cable Digital TV of the Small and Medium-sized TV Stations;
中小电视台有线数字电视的实现
3.
This article focuses on the application of cable digital TV STB(set Top Box) technique to long-distance education and its performance.
本文探讨了数字电视机顶盒在有线数字电视网络中的现代远程教育应用的途径,并对实时双向交互教学、异步教学以及电子教学节目指南等功能实现进行了技术分析。
4) digital cable TV
有线数字电视
1.
This paper introduces the standard and specification adopted by TEDA Company in the acceptance test of the system transformed to digital cable TV.
介绍了天津泰达有线数字电视整体转换验收测试依据的标准和规范以及测试的主要内容,并对系统主要性能指标测试方法及分析进行了详细阐述。
2.
Based on the characteristic extracting of RF signal in digital cable TV system, this paper puts forward an algorithm for modulation recognition between 16QAM and 64QAM RF signals.
从有线数字电视射频信号特征参数提取着手,建立了一套识别16QAM和64QAM射频信号调制方式的数学算法。
3.
Digitization is an inevitable trend of Chinese digital cable TV.
数字化是有线电视发展的必然趋势,我国有线数字电视自2003年推广以来,历经数年努力,虽有所进展,局势却依旧不容乐观。
5) cable digital television
有线数字电视
1.
Thinking about the Establishment and Development of Cable Digital Television Network;
有线数字电视网建设与发展的思考
2.
Based on hedonic price theory,this paper focus on the characters of cable digital television market,modifies and perfect the hedonic price model by building a new hedonic price model of cable digital television good of china.
本文基于特征价格理论,以有线数字电视为例对我国信息产品市场的具体特征进行了分析,建立了我国有线数字电视业务的特征价格模型。
3.
At first, the whole situation of network reconstruction in integral transition of Guangxi cable digital television is introduced.
介绍了广西有线数字电视整体转换中网络改造的整体情况,分析了网络改造前存在的问题,还介绍了网络建设改造的技术特点及要求,包括城域光缆网络、电缆分配网络、光工作站等,较系统地总结了网络建设改造的过程与经验。
6) digital CATV
有线数字电视
1.
The difference of anti-jamming ability between digital and analogue CATV indicates that,the anti-jamming ability of digital CATV decreases remarkably after the digital signal is modulated.
分析有线数字电视和有线模拟电视抗干扰能力的差异,指出有线数字电视信号经过载波调制处理以后,它的抗干扰能力大大降低了,因此有必要对有线数字电视抗干扰的性能进行重新评价,提出"当系统网络没有故障时,有线数字电视抗干扰;当系统网络发生故障时,有线数字电视怕干扰;当有线数字电视出现问题时,系统网络必然有故障"的初步结论,并介绍一些有线数字电视发生故障的现象和维修、预防的方法。
2.
Digitization has brought both opportunity and challenge to digital CATV.
通过分析有线数字电视业务的开展情况,对有线数字电视的业务发展前景进行了探讨,提出了业务发展中应注意的几个关键问题。
3.
According to the requirement of setting up digital CATV service platform between city and county, this article brings about technical analysis and feasibility study on several digital CATV transmission methods, such as DS3,ATM over SDH,ASI and QAM modulation.
针对地市建设有线数字电视统一服务平台的要求 ,对通过DS3接口传输、ATMoverSDH ,ASI接口传输 ,QAM调制等几种有线数字电视传输方法进行可行性探
补充资料：有线电通信网(见有线电通信)
有线电通信网(见有线电通信)
wired communication networks
youxiandian tongXinwQng有线电通信网(wired communieation net-works)见有线电通信。
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