1) MB-OFDM UWB
多频带超宽带
1.
Channel Estimation for MB-OFDM UWB Based on Channel Shortening
基于信道缩短的多频带超宽带信道估计
2.
MB-OFDM UWB is the new UWB scheme suggesting that proposed in recent years , already becomes the hot spot studying at home and abroad.
而多频带超宽带(MB-OFDM UWB)是近年来提出的新UWB方案,已成为国内外研究的热点。
2) ultra-wideband
超宽频带
1.
The characteristics of the ultra-wideband partial discharge of both the stator bar of 300 MW turbo-generator out of service and the stator bar of 780 kW electromotor out of service are studied by using the developed ultra-wideband partial discharge detecting system.
利用开发的超宽频带局部放电测试系统 ,研究了退出运行的 30 0MW汽轮发电机定子线棒和 780kW电动机线棒的超宽频带局部放电特性 。
3) ultra-wide band
超宽频带
1.
Field detection of ultra-wide band partial discharge for generator stator insulation;
大电机定子绕组超宽频带局部放电现场检测
2.
The XLPE insulation samples are processed by an accelerated electrical ageing setup,and the characteristics of partial discharges(PD) during ageing are studied by the TE571 PD detector and the ultra-wide band PD measurement system.
利用TE571局放检测仪和超宽频带局放(PD)检测系统研究了XLPE电缆绝缘试样加速电老化过程中判断试样老化状态的局放统计参量和单次放电波形特性。
4) Ultra-broadband
超宽频带
1.
There is a designation of ultra-broadband microstrip antenna with concave patch.
设计了一种凹形贴片超宽频带微带天线,采用双层介质基板并且在两层介质基板之间加入了空气层,仿真结果表明,在中心工作频率为12GHz处,相对带宽达到了101。
5) Multi-band UWB
多带超宽带
6) broadband and multiband
宽频带和多频带
补充资料：宽带多媒体信息网
宽带多媒体信息网：带宽是网络信号可使用的最高频率与最低频率之差。宽带多媒体信息网以其独有的宽带特性突破了电话线带宽的局限，使本地因特网的传输速度提高了上千倍，成为"信息高速公路"最佳入户方案。宽带网可向广大用户提供高速因特网、多元化网络电视新媒体娱乐以及多样化本地信息、电子商务等服务。
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