1) radio remote unit and base band unit
基带拉远设备
2) RRU-BBU
基带拉远
1.
The second generation distributed base station (RRU-BBU) makes the RRU comprehensive application in TD-SCDMA network construction.
第二代分布式基站(基带拉远)的推出,将使得分布式基站(RRU)在今后的TD-SCDMA网络建设中得到广泛的应用,与此同时,直放站在网络中仍然会有所应用,直放站仍然是各种基站的有效补充。
3) remote baseband-signal by fiber
基带光纤拉远
1.
Remote radio,remote intermediate-frequency signal and remote baseband-signal by fiber are developed.
由TD-SCDMA技术本身特点出发,比较射频拉远、中频拉远、基带光纤拉远三种拉远技术的优缺点,提出在TD-SCDMA通信系统中引入基带光纤拉远技术进行网络建设,能够较好解决运营商TD-SCDMA通信系统基站站址选择、站址建设和工程施工难等问题。
4) the modulation EOC
基带EOC设备
1.
Based on the analysis of HFC network bidirectional transformation technology and the HFC network bidirectional transformation requirement of Hunan province, the testing criterions are put forward for the testing analysis of the baseband EOC and the modulation EOC.
在对HFC双向网络改造技术分析的基础上,根据湖南省HFC网络双向改造的要求,提出了相应的测试指标,对比分析了调制EOC设备和基带EOC设备的测试情况,并对采用EOC技术可能出现的问题进行分析并提出见解。
2.
According to the analysis of HFC network bidirectional transformation technology and the requirement of Hunan province,the bidirectional transformation schemas for two kinds of coverage is put forward based on the analysis of the baseband EOC and the modulation EOC.
在对HFC双向网络改造技术分析的基础上,根据湖南省HFC双向网络改造的要求,对比分析了调制EOC设备和基带EOC设备,提出了EPON+EOC的双向网络改造解决方案,针对两种不同覆盖形式,提出了两种实施方案,并对采用EOC技术可能出现的问题进行分析并提出见解。
6) Telecontrol equipment
远动设备
1.
Lightning and over voltage protection of telecontrol equipment;
远动设备的防雷及过电压保护
2.
Based on the practical operation conditions of telecontrol equipment in electric power system,the cases of telecontrol equipment damage by lightning in recent years are analyzed,from which the main causes and paths of lightning disaster are found out.
从电力系统远动设备的运行实际情况出发 ,分析近年来远动设备在运行中受雷电损坏的情况 ,从中找出远动设备受雷电损坏的主要原因及途径 ,阐述了加强远动设备防雷保护及抗干扰的紧迫性 ,并提出了具体的防护措施 ,对类似的电气设备防雷有一定的参考价值。
补充资料:焙烤设备远红外加热元件
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