查询词典 beam-focusing

Electron beam focusing ; space-charge effect ; emittance ; spherical aberration ; chromatic aberration.

电子束聚焦；空间电荷效应；发射度；球面像差；色散像差

For side-looking IVUS, we propose a single-wire multi-element synthetic aperture system. In this way, we can decrease the number of connections by using multiplexer and synthetic aperture focusing technique, and do beam-forming using optimal filtering.

针对侧向视野之血管内超音波，我们提出单导线系统架构配合多通道合成孔径系统，利用多工器切换与合成孔径聚焦降低连接数，并利用最佳化滤波器做到波束聚焦之效果。

The non-collapse of light beam in self-focusing is given.

得出了在自聚焦过程中没有光束崩溃的结论。

Self-focusing of an intense short laser beam propagating in cold, underdense plasma has been studied.

采用更完整的有质动力形式来研究强的短脉冲激光在次临界密度冷等离子体中传播时的自聚焦现象。

In laser welding, focusing characteristic s of laser beam are the key factors in determining the quality of the welding seam.

激光焊接中，激光聚焦特性的好坏是影响焊接质量的关键因素。

Some results such as the potential distribution in the gun, the trace-space plot of ray in anode plane, the impact on beam focusing caused by the spacing of diode were obtained.

计算程序以带电粒子的洛伦兹力运动方程的相对论形式为基础，在充分考虑了空间电荷效应和电子自身产生磁场的情况下编写而成。

Influence of the Kerr Effect on the Focusing Property of the Gaussian Beam［J］.

克尔效应对高斯光束聚焦特性的影响［J］。

So, our main work is to obtain a satisfactory electron beam with diameter about micrometers by means of choosing a suitable LaBe cathode electron-gun system and a suitable focusing system.

电子束打靶产生X射线已经是很成熟的理论，因此，本论文的理论研究重点是选择合适结构的电子源系统与合适结构的聚焦系统并将电子束会聚为微米级的细小束斑。

That's the first difference between a beam of ordinary light and a laser beam.

这是第一个不同点在普通光束和镭射光束之间。

Well, those are the three differences between a beam of ordinary light and a laser beam.

好了，那些是三个不同点在普通光束和镭射光束二者之间。

Liapunov—Schmidt method is one of the most important method in the bifurcation theory.

Liapunov—Schmidt方法是分叉理论的最重要方法之一。

Be courteous -- even when people are most discourteous to you .

要有礼貌──即使当別人对你最不礼貌的时候。