单极子

1931年P·狄拉克首先提出存在磁单极子，并且从理论上予以论证。

It was in1931 that Paul Adrien Maurice Dirac firstly put forward and also theoretically demonstrated the existence of magnetic monopole .

采用Z矩阵插值法快速计算套筒单极子天线参数

Efficient computation of sleeve monopole antennas using Z matrix interpolation

该天线由两个G形单极子采用背靠背摆放方式组成。

The antenna composed of two " G " shaped monopole placed by " back to back " .

弯曲空间的SU（N）规范理论的磁单极子与双子解

On the magnetic monopole and dipole solution of the su ( n ) gauge field theory in a curved space

等横向长／等辐射面积UWB平面椭圆单极子天线的研究

The Study on UWB Planar Elliptical Monopole Antenna of Equal Transverse / Equal Radiation Area

天线的两个C形印刷单极子相互垂直，一方面接收不同极化方向的电磁波，另一方面可以减少两个印刷单极子之间的耦合。

On one hand , they can receive electromagnetic wave with different polarization , on the other hand , this placement can decrease coupling between the two monopoles .

用于WLAN的多频印刷单极子天线

Multi-Band Printed Monopole Antenna for WLAN Applications

等离子体覆盖单极子天线的FDTD分析

FDTD Analysis of Monopole Antenna Covered by Plasma

该天线由两个F形单极子作为天线单元，一个T形延伸地面组成。

The antenna consists of two " F " shaped monopole antenna elements , a " T " shaped extension of the ground .

本文描述了一种单极子微带天线耦合的SIS结混频器。

A monopole microstrip antenna coupled SIS Junction mixer is described in this paper .

圆形及椭圆形平面单极子天线以及他们的改进是UWB天线设计主要载体。

The circular and elliptical planar monopole antennas and their metamorphoses are major objects to design UWB antennas .

采用单极子微带天线耦合的SIS结混频器变频效率的研究

Study on conversion efficiency of the SIS junction mixer coupled by a Monopole Microstrip Antenna

设计了一种满足WLAN双频工作所需的小型共面波导馈电的双频宽带印刷单极子天线单元。

In this paper , a miniaturized CPW-fed dual band and broadband printed monopole antenna for WLAN application is presented .

每个C形印刷单极子有两条谐振路径，每条谐振路径对应一个谐振频率，因此，该天线可以工作在无线局域网的两个频段。

Every resonating path corresponds to a resonating frequency , therefore , the antenna can work at the two bands of WLAN . The two printed C-shaped monopoles of the antenna are orthogonal to each other ;

为此，对HF频段的单极子天线进行准分形，有效地降低了天线的谐振频率。

In order to overcome the shortcomings of the monopole antennas , a methods of quasi-fractal is used , which decrease the resonant frequency .

采用PML的FDTD方法对新型多频平面单极子手机天线的研究

The FDTD Method with the PML to Analysis of Novel Planar Monopole Antenna for Multi-band Operation of Mobile Handsets

Planck粒子、磁单极子和亚夸克超对称伴子的相互关联

The correlation between a Planck particle , a magnetic monopole and a supersymmetry companion of a subquark

磁单极子-带电粒子的Fokker-Planck方程

Fokker-Planck Equations For Magneto-monopoles and Charged Particles

在研究中考虑的蜂窝通信手提电话常用的天线种类为单极子、偶极子和倒F型（IFA）天线。

Various antennas used for cellular phones such as the monopole , dipole and inverted-F antennas ( IFA ) . have been considered in the investigation .

Peano分形加载单极子辐射性能的研究

Research on Radiation Performance of a Peano Fractal Loaded Monopole

提出了一种小型化宽带加载单极子天线，即对有顶部加载的单极子天线进行准分形和RLC集总加载。

This paper presents a miniature and broadband monopole antenna , i.e. a quasi-fractal monopole antenna with top loaded and RLC loaded .

但是，在HF频段，有限高无加载单极子天线带宽相对较窄，输入阻抗随频率剧烈变化，难于和50Ω的同轴馈线匹配。

However , in HF band , the band of the antennas is narrow , and the input impedance of monopole antenna with limited height undergoes rapid variation with frequency .

重点介绍了两种最常用的手机天线，即PIFA天线和单极子天线的理论分析。

As the most popular mobile phone antenna , PIFA and monopole antenna are analyzed .

T型天线是一个微带单极子天线，采用共面波导（CPW）馈电，具有较宽的带宽。

The T-shaped antenna is a monopole fed with coplanar waveguide ( CPW ), and has a broad bandwidth .

本文最后用矩量法和线网模型对Sierpinski单极子进行了仿真，验证了其多波段特性。

Finally , the Sierpinski monopole is simulated by method of moment and wire-grid model with its multiband behavior verified .

测试结果表明，所设计的两副天线不仅满足了阻抗带宽的要求，同时具有良好的全向辐射特性。其次，根据USB无线网卡对天线的特定要求，提出了一种印刷单极子天线结构。

Measured results show that both antennas satisfy the impedance band requirements and have good radiation characteristics . Secondly , a printed monopole antenna has been proposed , based on the special requirements of USB-WLAN cards .

然后分别以印刷电路天线（PIFA）和单极子天线为例，介绍了各自的SAR和HAC特性。

Then respectively take the example of the printed circuit antenna ( PIFA ) and Monopole antenna , their characteristics of SAR and HAC are introduced .

单极子天线以其结构简单、易于加工、易于安装及全向辐射等诸多优点得到了广泛的应用，HF天线普遍使用了单极子天线的形式。

Monopole antennas have been used in many applications , especially in HF antennas , due to their inherent advantage like simple structure , easy to machine and mount , and omnidirectional radiation pattern .

通过映射的伦移引入时间坐标，从而使电单极子成为Minkowski空间中的一个〈活化〉的模型。

The time coordinate is introduced by the homotopic shift , and the electric monopole appears in an active model in the Minkowski space .

本文研究了在非相对论情况下磁单极子-带电粒子的Fokker-Planck方程，计算了此方程中的速度一阶二阶平均量。

In the frame of non-relativity the Fokker-Planck equations for the interaction between magneto-monopoles and charged particles has been studied in this paper .