The vector potential of the field is calculated.
根据电磁场理论，可计算出相应的矢势。
General expressions of the magnetic vector potential for multipole fields are derived.
推导出了用多极场空间谐波函数表示的磁矢位的通项表达式。
Electrostatic and magnetic vector potential. Properties of dielectrics and magnetic materials.
静电学和向量磁位、二极体和磁性材料的性质。
This indicates that there is more profound physical meaning of the gradient vector potential of electromagnetic field.
因此，它表明电磁场的梯度矢势具有更明显的物理意义。
The distribution of magnetic flux of track eddy current braking device is calculated by using vector potential method.
采用矢量位A法对线性涡流制动装置的磁场分布进行了有限元理论计算。
To improve the efficiency of eddy field calculation with magnetic vector potential, necessary simplification is applied.
为了实现高效的计算，涡流场的计算引入磁矢量位法，进行必要、合理的化简。
The fast multipole method(FMM) is introduced to solve the magnetic vector potential in 3-D electromagnetoquasistatic field.
提出了一种求解任意形状线圈位于平板导体上方时矢量磁位的解析方法。
According to the principle of virtual-work, the formula of electromagnetic force based on magnetic vector potential is deduced.
根据虚位移原理，推导出基于矢量磁势的电磁力计算公式。
Image features are represented using the theory of electromagnetics. Corners are detected in the vector potential of the field.
该方法利用电磁场理论表达图象特征，进而从特征图象中提取出角点。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
Magnetic vector potential is regarded as variables to gain solution of excitation magnetic field and armature response magnetic field.
以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。
It also shows that two four vector potential can be combined into one four vector potential in the region being free of magnetic charges.
同时还证明在磁荷为零的区域两个四维矢势可以合并为一个。
Recently it was found that the nuclear symmetry energy can be directly associated with the mean level density and an iso-vector potential.
最新研究发现原子核对称能与平均的能级密度和同位旋矢量势直接相关。
When the vector potential function and the differential of the scalar potential function are computed, singular points would occur on TPM.
但在计算矢量位函数和标量位函数的微分过程中，TPM模型将产生奇异点。
A part of results on magnetic vector potential of circular loop are expanded, so the integral function is transformed to integrable series.
采用将圆电流磁矢势表达式中一部分展成级数，使被积函数变成可积分的函数。
Through the introduction of magnetic vector potential, the mathematical model of electromagnetic field and eddy current field was established.
其中，电磁场和涡流场的数学模型是通过引入复矢量磁位而建立的。
The 3d finite element vector potential equations of non-linear anisotropic magnetostatic field have been derived in a pithy style by dyadic analysis.
借助并矢分析，分别采用加权余量法和变分法，推导出了三维非线性各向异性静磁场的矢量位有限元方程的一般计算公式。
The boundary value problem on the magnetic vector potential A is derived by introducing the magnetic vector potential A and using Maxwell's equations.
通过引入矢量磁位A并利用麦克斯韦方程组推出了以矢量磁位A为求解对象的边值问题。
According to Mr Zhang's vector potential theory, SP doesn't generated or originated from dipole layers but curl sources in the borders of dipole layers.
根据张庚骥先生的向量势理论，自然电位不是由偶极层产生，而是由旋度源产生，旋度源在偶极层的边缘。
The modified scalar potential is used to reduce the order of the coupled equations in the comparison with the vector potential under the same node number.
计算量采用修正标量位，这样在同样的节点数下相对于矢量位它可以减少联立方程的阶数。
In this paper, the boundary value problem of the magnetic vector potential is derived by use of the character of the axisymmetrical electromagnetic field.
利用轴对称电磁场的性质得到了以矢量磁位为求解对象的边值问题。
An analytical solution to the vector potential is presented in this paper, which is produced by arbitrary shape eddy-current probes above conducting slabs.
提出了一种求解任意形状线圈位于平板导体上方时矢量磁位的解析方法。
At very low frequencies, the contribution from the vector potential to the impedance matrix is much smaller than the contribution from the scalar potential.
当频率很低时，阻抗矩阵中矢量磁位的贡献比标量电位的贡献小得多。
Then, the vector potential and vorticity equations and the method of the false transient are applied to compute the three-dimensional viscous natural convection.
然后利用矢量势和涡方程以及人工瞬变方法计算封闭腔中水的三维粘性自然对流。
When the double and array dipoles are put in the conductive media, the formula of radiation field of them have been derived from vector potential equation of single dipole.
利用电偶极子辐射场的矢势导出了阵列偶极子在导电媒质中辐射场的一般形式，所给出的公式不仅适用于近区、感应区，而且还适用于远区。
If using the scalar potential instead of the vector potential to analyze the current-carrying regions in a 3d magnetostatic field, the computing time can be greatly reduced.
在三维有限元磁场中，如果对电流区域进行适当处理，采用标量磁位进行分析，与采用矢量磁位相比，可大大提高计算速度。
The magnetic induction intensity distribution B is obtained by solving its magnetic vector potential A distribution of current-carrying circular circuit in anisotropic medium.
提出一种求解各向异性磁介质中电流磁场的新方法，通过求解各向异性磁介质中圆电流环的磁矢势A分布，求出其磁感应强度B分布。
In this paper, the calculating formulas of magnetic field for long current carrying conductor with any form of cross-section are deduced with the help of magnetic vector potential.
本文由磁矢量位出发，导出具有任意形状截面的长导体磁场计算公式。
In this paper, a general method of three dimensional vector potential solution for nonlinear magnetostatic field problem by means of the finite tetrahedral element method is presented.
本文给出了用有限四面体单元计算三维非线性恒定磁场的一般过程。
We observed that corners are the saddle points in the vector potential. The saddle point detection algorithm is based on a simple template matching. The corner detection result is given.
提出图象的角点位于该矢势图的鞍点和基于模板匹配的鞍点检测算法，并给出实际的角点检测结果。
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