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基于漏磁检测原理 ,以高性能数字信号处理器为核心 ,设计了一种海底输油管道缺陷漏磁检测信号采集与处理系统 ,具有检测速度快 ,精度高等特点。介绍了系统的硬件组成和软件流程 ,高速A/D转换器和DSP、PCI总线的应用。设计的系统能够实现缺陷的定位检测 ,精度达到了设计要求
Based on the principle of magnetic flux leakage testing, a high performance digital signal processor (DSP) is taken as the core to design a system for acquisition and processing of magnetic flux leakage detection signal of submarine pipeline defects. It has the advantages of fast detection speed and high accuracy. Introduces the system hardware and software flow, high-speed A / D converter and DSP, PCI bus applications. The designed system can detect and locate defects, and the precision meets the design requirements