在介绍漏磁检测原理的基础上，详细论述了利用有限元法分析缺陷信号的方法以及利用ANSYS对漏磁信号的仿真过程和仿真结果，并对结果进行分析。
On the base of introducing the principle of the magnetic flux leakage (MFL) detection, the finite element method based on ANSYS used to simulate and analyze the MFL signal is presented.
文章在介绍漏磁法无损检测的基本原理的基础上，详述了在役管线无损检测设备的总体结构及各部分的设计。
On the basis of the principle of leaky magnetic flux detecting, the design of the detecting equipment of working pipelines is expatiated including the overall structure and each part.
磁记忆法通过对部件表面漏磁场的检测，可以有效检测管座角焊缝中存在的缺陷，减少泄漏现象的发生。
The magnetic memory method, through examining the leakage magnetic field on the surface of the parts, can effectively find out the defects in fillet joints, which can diminish the leakage.
在采用漏磁法对输油管道进行无损检测过程中，信号会受到各种噪声的干扰。
There are varying noises in output signal obtained from magnetic flux leakage nondestructive testing of oil pipeline.
介绍了一种用相对漏磁法推导几种多油道圆筒式绕组的电抗电压的计算方法，并给出了计算实例。
A calculation method of deriving the reactance voltage of multi-oil ducts cylindric winding is introduced by using relative magnetic leakage method. And the calculation examples are given here.
采用漏磁法对炮管进行无损检测时，漏磁信号中含有噪声。
When magnetic flux leakage (MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.
在采用漏磁法对输油管道进行无损检测过程中，信号会受到各种噪声的干扰。
There are varying noises in output signal obtained from magnetic flux leakage (MFL) nondestructive testing of oil pipeline.
结果表明，该交变漏磁法对钢管表面较小裂纹具有较高的检出率。
The result shows that there is high rate of recognition about the little defect on the thin steel pipe by alternative current magnetic leakage flux method.
准确计算永磁漏磁导可以有效提高等效磁路法计算精度。
The accuracy of equivalent circuit method can be effectively improved if the calculation of PM leakage permeance is accurate.
针对测井电缆使用过程中的铠装断丝现象，基于漏磁检测法设计了测井电缆铠装断丝检测实验系统。
Based on magnetic flux leakage, the experiment system has been designed for inspecting broken wires in logging cables.
确认了等效网路法对电磁轴承考虑漏磁影响的整体结构设计计算的适用性，并给出了具体的计算方法。
Thus the applicability of the equivalent circuit method in designing the entire structure of magnetic bearing is verified.
介绍了漏磁法壁厚检测原理、传感器结构和工作原理，并通过实验进行了分析、验证。
The wall thickness testing principle, sensor's structure and working principle are introduced. And experimental research and analysis have been done.
介绍了漏磁法壁厚检测原理、传感器结构和工作原理，并通过实验进行了分析、验证。
The wall thickness testing principle, sensor's structure and working principle are introduced. And experimental research and analysis have been done.
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