说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 偶极子圆盘天线
1)  dipole disc feed
偶极子圆盘天线
2)  dipole disc feed
偶极子圆盘天线;偶极圆盘馈电
3)  dipole antenna
偶极子天线
1.
Influence of ground screen on vertical dipole antenna;
地网对垂直偶极子天线辐射特性的影响
2.
The Study for the Dipole Antenna in Tag;
偶极子天线在电子标签中的应用研究
4)  dipole antennas
偶极子天线
1.
A novel planar four unit cells dipole antennas based on composite right/left handed transmission line and loaded periodically with shunt inductors and series capacitors was constructed in this study,which features reduced wavelength with decreasing frequency of antenna.
利用周期加载串联电容和并联电感的左右手传输线结构设计了四元小型平面偶极子天线,它具有随着频率降低波长也会减小的独特性质,对天线进行了仿真和测试,短偶极子天线工作于n=-1(484MH z),S11<-10dB相对带宽是2%,在自由空间的长度是0。
2.
Since the demand for flexible RFID(radio frequency identification) antennas with higher efficiency has increased in the recent years,an overview of λ/2 dipole antennas design for passive RFID tags was presented.
针对灵活高效的射频识别(radio frequency identification,RFID)天线的需求逐年递增的现状,给出了无源RFID标签半波偶极子天线总体的设计方法。
5)  Ellipse-like dipole
椭圆偶极天线
6)  circular monopole antenna
圆盘单极天线
1.
The circular monopole antenna is a kind of miniaturized ultrawide-band antennas with simple feeding network.
圆盘单极天线是一种小型化、馈电简单的超宽带天线。
补充资料:“质子-电子偶极-偶极”质子弛豫增强


“质子-电子偶极-偶极”质子弛豫增强


  物理学术语。原子核外层中不成对的电子质量小,但磁动性很强,可使局部磁场波动增强,促使氢质子弛豫加快,从而使T1和T2缩短,这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子,所以其离子往往具有PEDDPRE,可用来作顺磁性对比剂,如钆(Gd)。Gd在外层有7个不成对电子,具有很强的顺磁性。
  
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