【Key words】 magnetic flux leakage testing； signal conditioning； eigenvalue extract； pattern recognition； quantitative recognition；
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The Evaluation System of Environmental Green Technology is a new kind of evaluation system, and is one of the evaluation methods of quantitative recognition technology and the true level of product in green design, green manufacture and green product.
环境绿色技术评价体系是国际上最新发展的一种评价体系，是定量识别技术与产品在绿色设计、绿色制造和绿色产品方面真实水平的评价方法之一。
参考来源 - 机械制造业环境绿色技术评价体系BP neural network used to realize quantitative recognition of defects was established, one for each kind of fault.
建立了缺陷定量识别的BP神经网络模型,为每类缺陷设计了专门的定量识别网络。
参考来源 - 基于漏磁检测机理的钢管小缺陷精确量化识别理论及系统研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the classification of signal characteristic, a model of quantitative recognition for oil well tubing defects was built.
建立了基于特征分类的油管缺陷量化识别模型。
Through the preprocessor so that the MFL signals into image, and presents the methods of quantitative recognition for the measure of defects base on MFL inspection.
通过信号预处理使漏磁信号图像化，并提出一种基于管道漏磁检测技术的缺陷几何特征量化的方法。
A nonlinear method was applied to complete quantitative recognition to defects. The experimental results show that the man-computer working method improves efficiency and precision.
试验证明，这种人机结合的方法提高了分析效率和定量分析精度。
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