电流元

根据经典的Sommerfeld赫兹矢量分别推导出了空气和海水中水平直流电流元的电磁场表达式。

According to typical Sommerfeld Hertz vector , the electromagnetic field expressions are derived when horizontal DC current element is located in air half-space and seawater half-space respectively .

半无限大海水空间中水平电流元产生的电磁场计算

Calculation of the electromagnetic fields generated by horizontal current element in semi-infinite space of seawater

分层媒质中电流元产生的Hertz位基本解

Solution of the Hertz Potential Generated by Current Element in Layered Medium

电流元DAC设计

Design of current cell DAC

利用指数Fourier变换，给出了一种求解电流元在分层媒质中产生的Hertz位的推导方法。

By using exponential Fourier transform , a method for getting the solution of the Hertz potential generated by current element in layered medium is presented .

直角坐标下正弦分布面电流元近场分析

Near Field Analysis on Sinusoidal Surface Current Patches in Rectangular Coordinates

球导体中电流元的时谐电磁场

Time-Harmonic Electromagnetic Fields Excited by an Arbitrary Current Dipole in Spherical Conductor

两层模型中直流电流元产生的电磁场

Electromagnetic Field of DC Electric Dipole in Two-layer Model

线电流元和面电流元近区场的简化计算

Simplified calculations for near zone fields of linear current units and surface current patches

关于电流元之间相互作用力规律的教学讨论

On the Teaching of the Law of Mutual Acting Force among Electric Current Cells

本文首先分析了线电流元的辐射特性。

First , the radiation property of linear - current - element is analyzed .

具有介质覆盖层的微带电流元近场的近似计算

Approximate calculation for the near field of element current in microstrip structure with dielectric cover

本文方法被用于计算基本电流元的远区辐射场。

This method demonstrates its accuracy by calculating the radiation fields of a current element .

关于两电流元相互作用不满足牛顿第三定律的解释

Explanation of the Contradiction of Newton 's Third Law for the Mutual Actions between Two Current Elements

求解了球导体中时谐电流元的电磁场解析解。

The analytical solution of time-harmonic electromagnetic fields excited by an arbitrary current dipole in spherical conductor is obtained .

分层球形导体中任意位置直流电流元产生电位的解析解

Analytical solution of electric potential produced by a direct current point source located in a multilayered spherical volume conductor

若忽略磁偶极子对的边缘效应，并将其等效成束缚电流元，可用安培定律来确定其受力大小和方向。

To lose sight of paired magnetic dipole brim and to equate bound current element , making certain direction and magnitude of a force upon it by Ampere Law .

通过应用电流元简化模型的方法，计算电枢上的磁场分布，进而计算电枢所受的电磁力。

By way of the current element simplified model , the distribution of magnetic field on armature was calculated , and then the electromagnetic force acted on armature was obtained .

直接由标量基本微元（点源）和矢量基本微元（电流元等）的对称性和两个基本假设讨论基本微元产生的场矢量的性质。

The characteristics of the fields vectors , produced by the elementary sources of classical fields , are discussed directly from the symmetry of the elementary sources and two basic hypotheses .

为验证所求电磁场解析解的正确性，利用通用有限元分析软件对导体球中时谐电流元的电磁场解析解作了数值验证。

To verify analytical solutions , the numerical solution is computed for the problem that an arbitrary time-harmonic current dipole is in a conductive sphere utilizing finite element method and the analytical solution is compared with the numerical solution .

一般情况下，两电流元间相互作用力是不满足牛顿第三定律的，从而两运动的带电粒子在电磁力相互作用下，它们的机械动量是不守恒的。

Generally speaking , the interacting forces between two current elements do not satisfy Newton third law , that is , the total mechanical momentum of the moving charges are not conserved under the interaction of the electromagnetic forces .

文章从对电流元所受磁力矩的积分出发，得出了任意载流线圈的磁距及其在均匀磁场中所受磁力矩。

In this paper , the results of the magnetic moment of an arbitrary shape current carrying coil and the moment of magnetic force in uniform magnetic field is obtained on the basis of the integral of the moment of magnetic force of current unit .

文章根据毕沙定律、电流回路元和载流线圈的费曼模型，用普通物理的方法计算出载流线圈在远处一点的磁场分布。

Using Biot-Savart law and the Feynman 's model , the paper suggested a simple method to calculate the magnetic field generated by a current loop with arbitrary shape .

HVDC直线型直流接地极端部三维电流场有限元计算

3D Current Field Computation in the End Region of Linear HVDC Ground Electrode with FEM Method

直线型直流接地极附近三维电流场边界元法计算

3D Current Field Computation Around Linear-Type HVDC Ground Electrodes with BEM Method

稳定电流场有限元法模拟研究

The real-like 2D FEM Modeling Research on the field characteristics of direct electric current field

GaN基LED电流扩展的有限元模型及电极结构优化

Finite Element Model of GaN Based LED and the Optimization of the Mesa Structure

非均匀介质中似稳电流场的有限元分析

Finite Element Analysis of Quasi-static Current Field in Inhomogeneous Media

导电介质中磁感应电场和电流分布的有限元法求解

Finite Element Method for Computing Magnetically Induced Electric Field and Current Distributions in Conductive Media

最后，编制了汽轮发电机励磁电流和参数有限元计算的参数化程序。

At last , the parameterization finite element programme of the exciting current parameters is programmed .