查询词典 monopole

After that, we focus on the designs and calculations of the ultra-wideband monopole antennas in order to figure out ways to improve the performance of the antennas.

之后，我们重点介绍单极子天线的设计计算方法和改进优化方式，并给出若干设计实例，进行数值仿真和实验的验证。

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

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。

The AB problem and Dirac magnetic monopole is also introduced.

讨论了AB问题，并介绍了Dirac磁单极。

Based on these analysis and using GA technique, a double-band monopole antenna for application of GSM/DCS is designed.

基于这种分析以及遗传优化技术，设计了一种可工作在GSM／DCS频段的双带单极子天线。

We develop two ways to collect data: one is monopole sending power, the other is dipole sending power.

并行电法数据采集采用两种主要的采集方法：一种是单极供电、另一种是双极供电。

It was found that the effect of the Dirac states could not be neglected, especially in the case of giant monopole resonance.

同时也讨论了自洽条件下Dirac海核子态的作用，指出Dirac海核子态的贡献不能忽略，特别是在核的巨单极共振的情况。

But the Science papers are the first direct experiments to record the monopole's effects on the spin-ice material.

但是这篇科学论文是第一个通过实验直接记录到了磁单极子在"自旋冰"材料中的效应。

Then on the basis of former studies, the miniaturization and planar structure of the circular monopole antenna are respectively analyzed and two feasible schemes are presented.

然后在上述研究的基础之上，本课题进一步分析了圆盘单极天线的小型化以及平板化的实现方案。

At last, two circular monopole ultra-wideband antennas with different radius are made.

并给出了仿真结果。

We also study the property of global tachyon vortex as well as monopole and in the flat spacetime, the exact solutions of them are obtained.

我们研究了整体快子弦和快子单极子的性质，得到了两者在平坦空间下的精确解，发现它们是一类非常弥散的客体，其质量主要分布在核的远处，并且它们的引力效应跟通常的拓扑缺陷也很不相同。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。