MFL

Experiments were proceeded under low and high MFL signal s change after stress being applied.

分析了在弱磁场和强磁场下施加应力后材料的漏磁信号变化.

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In order to improve the efficiency of magnetic flux leakage ( MFL) testing for tank floors, the flaw location, test data description and visualization from anomalistic signals are studied.

针对储罐底板漏磁检测的实际需要，研究了根据异常数据点进行缺陷自动定位、定量描述及可视化的基本方法。

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When magnetic flux leakage ( MFL) means is employed in nondestructive evaluation of gun muzzle, MFL signal contains noises.

采用漏磁法对炮管进行无损检测时，漏磁信号中含有噪声。

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Research on MFL Inspection Large Capacity and Hi-Fi Data Compression

管道缺陷漏磁检测大容量高保真数据压缩研究

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In order to enhance the measure precision and expand the using area of the existing oil pipeline MFL ( Magnetic Flux Leakage) detecting system to natural gas pipeline testing, detailed information of flux obtained by decreasing sampling time and space interval is needed.

为了提高现有输油管道漏磁检测系统的检测精度以及扩展系统的适用范围使其适用于天然气输送管道的检测，需要通过减小采样时间间隔和空间间隔的方法以获得更加完备的漏磁场信息。

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Based on the magnetic flux leakage ( MFL) technique, a magnetic flux leakage testing instrument for corrosion in the tank floor plate driven by electric motor is developed.

在研究漏磁场原理的基础上，设计了一种电动式储罐底板漏磁检测仪，该检测仪由机械扫查探测部分和信号处理部分组成。

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The Defect Parameter Predicted and Quantitative Analysis in MFL Inspection

漏磁检测中缺陷参数预测与定量分析

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In MFL testing introduces this method and denoises the signal , the results are keep accord.

并将此方法应用于漏磁检测中,通过试验, 所得结果与实际缺陷相吻合.

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MFL nondestructive testing of oil pipeline and normalized least mean squared adaptive filter Methods: Were presented.

介绍了输油管道漏磁检测方法及归一化最小均方自适应滤波方法.

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Study of data compression in the high speed MFL nondestructive testing system for oil and gas pipelines

油气管道高速漏磁检测系统中数据压缩研究

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Finally, aiming at the research status quoin MFL inspection, we brought forward the new research directions.

在本文最后针对目前漏磁检测的研究现状, 提出了进一步的研究方向.

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The mathematical analysis model for MFL is established, based on Maxwell's equations.

根据微分形式的麦克斯韦方程组得出漏磁场动态数据模型。

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Magnetic flux leakage ( MFL ) inspection is a most successful non-destructive evaluation technique used-service inspection of pipelines.

漏磁 ( MFL ) 检测是油气管道在线检测中应用非常成熟的一种无损检测技术.

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Quantitative analysis method for MFL testing for oil and gas pipelines based on RBF neutral network

基于RBF网络的漏磁检测缺陷定量分析方法陕北石油秩序

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The MFL signal acquired from the data collection device.

通过实验装置采集了含有噪声的漏磁信号.

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The circumference MFL of the rope has a broad space-frequency rangealong the axial of rope.

钢丝绳周向漏磁信号沿绳长有丰富的空间波动频率成份.

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Magnetic Flux Leakage ( MFL ) detectingtechnologyisthe main method of on-line inspection.

漏磁 检测技术是管道 在线 检测的主要方法.

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