Reduction of the focus hole diameter strongly affects the electrons with large emission angle but its influence on electron focusing is less markedly than the influence of the variations in potential.
减小聚焦极孔径对大发散角的电子有影响，但对聚焦作用的影响不如改变电位明显。
Optimization of the magnetic focusing system can decrease the radial magnetic induction and improve the electron beam quality.
通过对磁聚焦系统进行优化设计，外层电子注轨迹得到明显改善。
The focusing properties of a space-charge lens depend on the size, shape and density distribution of its electron cloud.
空间电荷透镜的聚焦特性决定于其电子云的大小、形状和密度分布。
This article points out the inadequacies in the principles of focusing on the electron in the book "electron Survey" Meanwhile, it discusses and amends them in greater detail.
指出《电子测量》一书关于示波器聚焦原理论述的不足，并针对这一问题进行较详细的讨论和补充。
The focusing performance of electron gun is decided by the structure of electrodes.
电子枪聚焦性能是由电极结构决定的。
In this paper, the aberration theory of electron image forming systems in the combined focusing and deflecting field has been researched using the technology of numerical simulation.
本文利用数值仿真技术对复合场中电子成像系统的像差理论做了研究。
Electron optical aberration theory for angularly wide and transversely large electron beams in electromagnetic focusing systems with curvilinear axes has been further developed.
本文研究了宽束大物面电磁聚焦系统弯曲轴电子光学象差理论。
Based on thin annular electron beam approximation, the focusing effect of plasma is investigated.
在薄环形束的近似下讨论了等离子体对空心电子束的聚束作用。
These results of this paper may be of use in designing focusing or deflection systems of electron ray devices, electron-optical instruments and high energy accelerators.
这些结果可用于电子束器件、电子光学仪器和高能加速器中的聚焦或偏转或聚焦兼偏转元件的设计。
In this paper, the specialized techniques of electron gun for large screen CPTs are discussed. The beam forming region, main lens, convergence lens system and dynamic focusing method are analyzed.
对近年来大屏幕彩色显像管电子枪专有技术进行了讨论，系统分析了电子束形成区、主透镜、会聚透镜系统及动态聚焦方式等。
Based on the theory of wide electron beam focusing with curved axis, a method for determining the off-axis point spread distribution is studied using the trajectories with curved axis.
根据曲轴宽电子束聚焦理论，研究了一种用曲轴轨迹确定轴外点扩散分布的方法。
In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.
本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。
Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.
采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。
Nodular defects, which are in critical state of damage, are cross-sectioned by focusing on the ion beam and by imaging using a field emission scanning electron microscope.
采用聚焦离子束和场发射扫描电镜对处于临界破坏状态的节瘤缺陷做剖面分析和观察。
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