根据实验结果，利用电磁学理论，分析了由于裂纹尖端电荷的加速运动所激发的电磁场强度及其频谱特性。
Based on the electromagnetic theory the relation between the acceleration movement of electric charge in the crack tip end, the value of electromagnetic field and the spectrum are analyzed.
论文的第一章是基础理论，一开始是推导经典力学中的单个带电粒子在电磁场中的运动方程，分别从拉氏量和哈密顿量推导。
At the beginning of the first chapter the derivation from the Lagrange and Hamilton to the motion equation of a charged particle in magnetic fields in classic mechanics is presented.
第二，用运动边界法处理相对运动，应用面向对象的程序设计方法，开发了可视化开关磁阻电机电磁场分析软件。
Second, a visual software for SRM electromagnetic field computation is developed by using object oriented programming, in which rotor movement problem is dealt with moving boundary method.
利用电磁场软件模拟了行波管电磁线包磁场，以及在电磁线包磁场作用下电子注在慢波系统中的运动特性。
The magnetic field intensity of the solenoid used for travel wave tube and transport properties of electron beam in the slow wave system under its function is simulated with the electromagnetic code.
文中研究了量子化电磁场中非经典电子波包的运动。
We study the nonclassical electronic wave packet in quantized electromagnetic Field.
本文由连续介质中的可变场的矢量线的保持性条件，主要讨论了运动系统中电磁场的保持性问题。
Based on the conservative condition of vector lines of variable field in the continuous medium, the problems of electromagnetic field in the moving system are discussed in this paper.
利用相对论变换关系计算了沿轴线方向匀速运动的线性电四极子的电磁场。
The electromagnetic field of a linear electric quadrupole moving uniformly along the axis of the quadrupole has been calculated with the relativistic transformation relation.
其主要内容如下：（1）电子在正交电磁场中的运动；
The main contents of this paper are as follows:1. the electrons motion in an orthogonal electromagnetic field;
通过计算，详尽分析了点电荷低速运动时，周围空间电磁场分布情况，并给出图示。
By calculating, the article analyzes in detail the spread situation of electric magnetic fields in round space when the point electric charge moves in a low speed, and makes the diagram.
直接利用电磁场场量的相对论变换，得出了运动分界面处电磁场的边值关系。
The relativistic transforms of electromagnetic field components are utilized, and the relationships between electromagnetic field components on moving interface are derived.
电磁场也能引发荷电粒子的运动，这就是一定距离以外发射器传来的电磁波在传过接收装置天线时的情况。
An electromagnetic field can also induce motion in charged panicles, which is what happens when the electromagnetic field of a distant transmitter moves past the antenna of receiving set.
这种孤子波的形成及其演化与离子运动有极大关系。用相对论强激光脉冲可以产生达到相对论振幅的电磁场孤子波，后者可以把离子加速到非常高的能量。
The formed solitons are usually found to move with small velocity, which results in the formation of plasma cavities and the acceleration of ions to high energy.
这种孤子波的形成及其演化与离子运动有极大关系。用相对论强激光脉冲可以产生达到相对论振幅的电磁场孤子波，后者可以把离子加速到非常高的能量。
The formed solitons are usually found to move with small velocity, which results in the formation of plasma cavities and the acceleration of ions to high energy.
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