麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
正如Saltzberg所说，自jamesClerkMaxwell(詹姆士·克拉克·麦克斯韦)首先提出他那著名的四个描述电磁场的方程以来，科学家们便着迷于磁单极子的探查中。
As Saltzberg says, scientists have been tantalized by the prospect of magnetic monopoles since James Clerk Maxwell first formulated his famous four equations describing electromagnetism.
本文运用叠加原理，从麦克斯韦方程的积分形式出发推导出在交变电磁场中储藏在电容器中的电场能量，并且指出了决定电容器电容数值的因素。
The energy of electric field stored in the capacitor placed in an alternating electromagnatic field is concluded by using the principle of superposition and by starting with Maxwell equations.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
构造了带电粒子在电磁场中的作用量，借助于保守力系的拉格朗日方程，导出了麦克斯韦方程中的两个式子。
By constructing principal function of a charged particle in electromagnetic field and using conservative system's Lagrange equation two formulas in Maxwell's equations are induced.
在轴对称非静态电流分布的情况下，利用麦克斯韦方程组和轴对称性，给出了轴外电磁场的一种计算方法。
Under the circumstances of axial symmetric and non-static current distribution, a method for calculating off-axis electromagnetic field is given by using Maxwells equations and axial symmetry.
第二，本文研究了电磁场有限元分析原理，介绍了麦克斯韦方程和电磁场微分方程。
Secondly, the principle of finite element analysis of electromagnetic field is studied, Maxwell equations and differential equations are stated.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
In this paper, the expressions of the electromagnetic field components in a plasma waveguide immersed in a strong longitudinal magnetic field are derived in detail from the Maxwell's equations.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
基于麦克斯韦方程组的电磁场理论(场方法)和基于基尔霍夫定律的电路理论(路方法)是分析微波传输线的主要理论工具。
Electromagnetic field theory based on Maxwell's equations (field method) and circuit theory based on Kirchhoff's laws (circuit method) are the main tools to analyze transmission line problems.
本课程使学生掌握电磁场的有关定理、定律、麦克斯韦方程等的物理意义及数学表达式。
Electromagnetic Field and Electromagnetic Wave make students grasp the theorem and the physical meaning of the Maxwell equations and mathematical expressions.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性，分别对含不稳定电荷源和不稳定电流源的轴对称非静态空间电磁场进行了研究。
By using the Maxwell's equations and axial symmetry, a method on calculating non-static axial symmetry fields with unstable charge source is given.
利用麦克斯韦方程组和场的轴对称性，给出了由对称轴的非静态电场计算含不稳定电荷源的轴对称非静态空间电磁场的一种方法。
By using the Maxwells equations and axial symmetry, the axial symmetric unstable electromagnetic field with unstable charge source and unstable current source is studied.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
The equation for electromagnetic properties of a moving medium is discussed by using electromagnetic field tensor, electromagnetic induction tensor and their dual tensor.
文章从麦克斯韦方程组出发，利用纵向场分量法，详细地推导了强引导磁场下等离子体波导中电磁场分量的表达式。
The equation for electromagnetic properties of a moving medium is discussed by using electromagnetic field tensor, electromagnetic induction tensor and their dual tensor.
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