提出了一种利用声能进行管道智能化检测的方法和技术，分析了管道内的流体发声原理，并对管道各种缺陷造成的波动特征和检测原理进行了简要介绍。%This paper introduces a kind of intellectualized technology for pipeline detection based on acoustic energy.Theory study indicates that fluid voices have sufficient intensity and pipeline sound have special acoustic characters respectively so that we can detect it appropriately .
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