The paper presents the significance of pipeline magnetic flux leakage detecting technology developing and defect discriminating technology developing 本文叙述了油气管道漏磁检测及其缺陷鉴别技术的研究意义和国内外发展概况。
The experiment result indicates that the algorithm is effective in the noise decrease effect for magnetic flux leakage signals 将演算法应用于管道漏磁检测系统中，实验结果表明该演算法在漏磁信号的处理中能取得较好的降噪效果。
The research put emphases on acoustic emission testing and magnetic flux leakage testing and tried to establish the series standard of the two methods above 其核心是围绕声发射检测和漏磁检测,意旨在建立声发射和漏磁检测的方法和标准。
At the exordium , this paper introduces the task ' s origin and significance and introduces the research situation on pipeline mfl data compression at home and at abroad 本文在绪论部分介绍了课题的来源和意义以及国内外在管道漏磁检测数据压缩方向上的研究情况。
Defect discriminating is an important part in pipeline magnetic flux leakage ( mfl ) detecting , and to realize intelligent defect discriminating is the final intent of mfl detecting 缺陷鉴别是管道漏磁检测的重要环节，而实现计算机智能化缺陷鉴别是漏磁检测的最终目的。
A nondestructive system for monitoring broken wires in production line was designed , which based on the magnetic character of locked coil wire rope 根据密封钢丝绳的结构特点，采用漏磁检测技术，研制了一套断丝在线无损检测系统，能对密封钢丝绳生产过程中出现的断丝现象进行有效监测。
And we design a monitor system of steel tube testing based on the principle of two - dimension magnetic flux leakage testing , in which the steel tube testing is automatic and intellectualized 设计了一个基于二维漏磁检测原理的可视化钢管检测监控系统，从而使钢管的检测实现了自动化、智能化。
I first introduce the importance and the basic situation of the steel tube ends testing ; then explain the flux leakage theory , which is the base of the design of the testing flux leakage system 在本文中首先讨论了端头检测的研究现状及其意义，然后研究漏磁检测的基本原理，这是端头漏磁检测系统设计的基础。
In designing leaky magnetic flux detecting system of working pipeline , research on compression method of detecting signals is one key problem . and it will directly influent the equipment detecting efficiency 检测信号压缩方法的研究是在役管线漏磁检测系统设计开发的重点之一，它将直接影响到设备的检测效率。
The data compression algorithm must be fit to hardware implementation for the new pipeline magnetic flux detecting system will adopt fpga ( field programmable gates array ) as the system kernel 由于新型管道漏磁检测器将以现场可编程门阵列器件( fpga ： fieldprogrammablegatesarray )作为系统核心，数据压缩算法必须适合于硬件实现。
