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Hilbert-Huang变换在声振信号检测钢管混凝土脱空中的应用

DOI: 10.3969/j.issn.1674-0696.2013.01.04, PP. 14-17

Keywords: 钢管混凝土,声振信号,Hilbert-Huang变换,聚类分析,脱空检测,ConcreteFilledSteelTube(CFST),acousticvibrationsignal,Hilbert-HuangTransform,clusteranalysis,voiddetection

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Abstract:

:?提出了基于Hilbert-Huang变换的钢管混凝土脱空检测方法,通过对瞬态冲击下脱空钢管的声振信号进行分析,提取出了瞬时幅值特征样本,采用改进的K均值聚类法对特征样本进行二类模式识别,从而对钢管混凝土的脱空进行判定,试验研究表明本方法的可行性。

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