探讨与分析了电网谐波磁场及谐波电流对电动机的影响与危害。
This paper discusses and analyzes on the effects and harms of the harmonic magnetic field and harmonic current on the electromotor in electric network.
这种算法考虑了空间谐波磁场，不受绕组连接形式的限制，按这种方法计算出的电感具有很高的精度。
The calculation considers the space harmonic magnetic field, and has no limits of connection forms of windings. The inductance calculated in this method are quite accurate.
本文对变压器节能提出了一个崭新的观点，即通过三次谐波磁场调制机理来降低变压器的铁耗和励磁电流。
A new method for reducing core loss and excitation current in transformers that utilizes the fundamental principles of third-harmonic flux modulation is proposed in this paper.
针对磁通门传感器检测到的环境磁场强度信号，运用谐波选择法，设计了磁通门信号处理电路。
This paper adopts harmonic choice method to design fluxgate signal processing circuit in allusion to the environment magnetic field strength signal of fluxgate sensor detecting.
当两个磁场互相遭遇时会发生谐波。
There are harmonics that occur when two magnetic fields encounter each other.
由于变极同步电机气隙磁场中将存在较大的谐波，这些磁场谐波对电机运行性能将产生一些影响。
In the gap magnetic field of pole changing synchronous machine, there would be large harmonics, which have some effects on the operating performance of the machine.
研究了显像管等器件中偏转线圈三维磁场的空间谐波展开技术及其计算。
The space harmonic expansion technique is used for analyzing the 3d magnetic fields of the deflection yoke.
利用第10代国际参考地磁场模型(IGRF)的资料，研究了地磁位的谐波振幅的纬度分布及其时间变化。
Using the 10th International geomagnetic Reference Field (IGRF) models, the latitudinal distribution of harmonic amplitude and its time-variation of geomagnetic potential are investigated.
这种算法具有三个特点：（1）充分考虑空间谐波的磁场作用。
The method has three features as follows:(1)fully considering the effect of space harmonic magnetic field;
文中将计算力学方法与电磁场理论结合起来，建立了电磁式谐波传动的理论和设计方法。
In this paper, the computational Mechanics and electromagnetics have been combined to develope the theory and design of EHD.
重点阐述了超短超强激光-等离子体相互作用中自生磁场对谐波发射影响的理论以及根据该理论完成的实验测定。
Specially, the impact of the self-generation magnetic field on the harmonious emission is emphasized, including the experiment according the theory.
采用付立叶谐波分析的方法把气隙磁密分解为空间基波和一系列谐波，进而计算出气隙磁场波形特征系数。
The Fourier analysis method is applied to decompose the air-gap magnetic density into the basic wave and a series of harmonic and wave shape eigen coefficient of air-gap magnetic field are calculated.
使光学速调管第二段波动器的磁场参数与光场的高次谐波共振，与对称光学速调管情况相比，可使产生的相干谐波辐射强度提高。
Making the second section undulator of optical klystron resonant with the higher harmonic of the laser, the harmonic emission can be enhanced.
将三维磁场计算的表面磁荷法和空间谐波展开技术相结合，提出了一种用于偏转线圈磁场计算的谐波表面磁荷法。
A harmonic surface charge method, which combine surface charge method with space harmonics expansion, was developed for the calculation of 3d magnetic fields of deflection yoke.
数值分析表明：在平面摆动器中附加适当的轴向磁场，可以提高各次谐波辐射的强度，对于基波和较低次谐波，提高更明显。
Use of axial magnetic fields of appropriate strengths enhances the intensity of spontaneous emission spectrum, the enhancements are more marked at the principal and the lower harmonics.
数值分析表明：在平面摆动器中附加适当的轴向磁场，可以提高各次谐波辐射的强度，对于基波和较低次谐波，提高更明显。
Use of axial magnetic fields of appropriate strengths enhances the intensity of spontaneous emission spectrum, the enhancements are more marked at the principal and the lower harmonics.
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