电磁

All contentes of chapter three and chapter four are our own works, the each concrete contents is as follows:In the first chapter, we introduce the history of electromagnetically induced transparency in brief and the main research results.

本论文共分为六章，其中第四章和第五章的全部内容是我们自己的工作，各章的具体内容如下：第一章介绍了电磁诱导透明的历史以及关于电磁诱导透明的主要研究成果。

The problem of electromagnetic scattering is an important research domain in electromagnetics. It is very important and practical to analyze the electromagnetic scattering characteristics of multiple complicated objects quickly and efficiently.

电磁散射问题是电磁学中的一个重要研究领域，对复杂多目标的电磁散射特性进行快速、高效的分析，具有重要的理论意义和实用价值。

In this paper electromagnetism compatibility and the methods to avoid it are proposed.

探讨了汽车防撞雷达的电磁兼容性问题，提出了解决电磁兼容性问题的几种措施。

Objective To study the electromagnetism environment of health equipment both in peace time and wartime, and give schemes.

目的：对卫生装备在平时所处的复杂电磁环境进行分析，对战场条件下的复杂电磁环境予以探讨，并提出一定的解决方案。

An exact solution of the scattering by a chiral elliptic cylinder is obtained in terms of Mathieu function and modified Mathieu functions by means of vector wave functions.

对旋波媒质的电磁特性进行分析，基于边界值问题，借助于矢量波函数，首次给出了旋波媒质椭圆柱电磁散射问题的解析形式解。

It is necessary for an electromagnetic compatibility design to prospect an consider its possible EMI levels.

这是必要的电磁相容性的设计，以一种前景考虑其可能的电磁干扰水平。

We had also performed numerical simulations to study energetic particle injection at L=3.5 to discuss the effect of different pulse parameters on particle injection.

我们也完成在 L=3.5 的电子流量模拟，讨论不同的脉冲参数对於粒子传输的影响和电磁脉冲传输粒子至该处的可能性，以了解是否此电磁脉冲模型可应用於了解磁暴时，在 L=3.5 处高能粒子流量增加的可能性。

There are positive charge and negative charge, but the energy density of electric field is all positive, as a result, the integral electromagnetic energy is always positive, electromagnetic mass is always a positive value.

电荷分为正负，但电场的能量密度却总是正的，所以积分得到的电磁能量总是正的，因而电磁质量也总是一个正值。

First, this article introduced the status of the electromagnetic launch technology in general. Then, the author further introduced a new principle of coil launch technology and its inductance in the equivalent circuit which are based on the principles of linear motor. It is a more comprehensive thought in the study. Third, in the building of the power supply system, the most important things are the trigger control loop structures, the gap switch debugging, the measurement of the impact current, and electromagnetic interference protection. Finally, I introduced the experiment, the simulation analysis of some questions in the experiment. The most important thing is the analysis of the equivalent circuit of the stator windings. And the author build a simulation model based on it.

本文首先介绍了电磁发射技术的概况；其次，基于直线电机的原理，介绍了直线驱动线圈发射技术的基本原理、等效电路和回路电感计算，得到了较完整的课题研究思路；第三，搭建电源系统，工作的的重点是触发控制回路的研制、间隙开关的调试、冲击电流的测量、电磁干扰防护措施；最后，介绍了课题实验情况，对实验中产生的问题进行了仿真分析，其中以定子线圈的等效电路的分析为重点，建立了仿真模型，并对参数的变化进行了仿真研究，为后续的实验研究提供参考。

The structure and functions can satisfy with the theory of electromagnetic eruption. Therefore it is suspected that U.S.

这些功能结构与产生电磁爆发现象的基本要求是一致的，由此分析，美国的反重力器的工作过程利用的是电磁爆发原理。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。