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Design and realization of ultrasonic testing system based on virtual instrument
Author(s): 
Pages: 103-106
Year: Issue:  10
Journal: Electronic Measurement Technology

Abstract: 本文介绍了一种应用虚拟仪器技术的回声探伤系统,它由硬件部分和一套控制分析软件组成.文章主要介绍了控制分析软件的各个功能组成部分,其各个功能块相对独立.该系统是一套具有脉冲激励产生,回波信号数据采集,降噪,缺陷定位,缺陷特征提取功能的完整的回声探伤系统.在LabVIEW软件的基础上通过调用第三方数据采集卡的dll库函数进行回波信号的采集,提出了波形和数组抽值相结合的精确定位的方法,提出了一种根据缺陷...
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