And the negative pressure wave signals are multi-resolution analyzed to obtain its low-frequency profile and high-frequency details.
利用小波变换的快速算法(Mallat算法)对泄漏负压波信号进行了多分辨率分析，同时得到了其低频概貌和高频细节。
参考来源 - 输油管道泄漏实时监测报警系统的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
The negative pressure wave method was proposed for a pipeline leak detection system.
采用负压波法检测管线泄漏信号。
In this paper, the negative pressure wave method for pipeline leak detection and location of.
本文研究了负压波法在管道泄漏判断和定位中的应用。
Several leak diagnosis methods such as instantaneous negative pressure wave, flow-lack, and hybrid diagnostic method were used.
采用了瞬态负压波法、流量输差法和压力流量综合法等多种泄漏诊断方法。
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