1) equivalent magnetic field
等效磁场
2) equivalent stress magnetic field
等效应力磁场
1.
Using the principle of equivalent stress magnetic field are presented, the functional relations between the variation of the material permeability along (or perpendicular to) the welding seam and the two direction stresses under the state of plane stress are presented.
基于等效应力磁场理论，给出了平面应力状态下，材料沿（垂直于） 焊缝方向磁导率与两个主应力之间的函数关系，从而可以独立地测量任意点的残余应力。
3) noise equivalent magnetic field
等效噪声磁场
1.
Experimental results indicate that the noise equivalent magnetic field of this sensor to be distinguished is 10 -8 T/Hz,and the linearity of characteristic curve is better than 1% in measurement range form 0 T to 45×10 -4 T when the magnetic field signals are alternating ones.
实验结果表明，传感器可分辨的等效噪声磁场为１０－８Ｔ／Ｈｚ，测量０～４５×１０－４Ｔ范围内的交变磁场时，传感器的线性度小于１％。
4) Electromagnetic Equivalence Principle
电磁场等效定理
1.
Brief Analysis of Demonstration and Application of Electromagnetic Equivalence Principle
电磁场等效定理证明与应用简析
5) equivalent magnetic circuit
等效磁路
1.
An equivalent magnetic circuit method was used to simplify the electromagnetic field equations and calculate the magnetic drive force.
以等效磁路法对电机电磁场进行了简化,推导出了电磁推力计算公式,并建立了压缩机动力学模型,为压缩机各项结构参数的设计提供了理论依据。
2.
The characteristic of 4-pole AMB and equivalent magnetic circuit was represented, subsequently, the concept of relative electromagnetic coupling error (RECE) is defined, and some formulas of calculating RECE were derived by using magnetic circuit Ampere’s laws.
首先描述了四磁极整体径向AMB的结构特点和等效磁路模型,然后定义了相对耦合干扰系数函数的概念,并利用磁路安培定律导出其计算公式。
6) Equivalent magnetic current
等效磁流
1.
A near field diagnostic method based on equivalent magnetic currents;
基于等效磁流的近场诊断方法
2.
The transformation from the near field to the aperture field based on equivalent magnetic currents is modified.
改进了基于等效磁流的近场—口径场变换方法 ,采用共轭梯度法迭代求解矩阵方程的最小二乘意义解 ,把系数矩阵构造成循环Toeplitz块矩阵 ,用二维快速傅里叶变换计算迭代过程中大量的矩阵与矢量乘积 ,从而形成近场—口径场变换的共轭梯度快速傅里叶变换算法 。
补充资料：比等效百万吨数