Knowledge Network Node
Shanxi Architecture. 2012, (31)

The application of wavelet analysis and in structural damage detectionChinese Full Text

YANG Xing-biao1 ZHOU Jin2 LIU Cheng-bin3(1.Tonglu County Bureau of Quality and Technical Supervision,Tonglu 311500,China;2.Kunyuan Assets Appraisal Co.,Ltd, Hangzhou 310017,China;3.Department of Civil Engineering,Zhejiang University,Hangzhou 310058,China)

Abstract: Through the vibration signal of a measurement beam,this paper made damage identification research used wavelet packet decomposition technique,identified the energy ratio distribution of different frequency bands,analyzed eight energy ratio distribution changes of frequency bands in damage condition,obtained some preliminary results.
Keywords：

data processing technique; wavelet analysis; frequency band energy ratio;

  • DOI：

    10.13719/j.cnki.cn14-1279/tu.2012.31.132

  • Series：

  • Subject：

  • Classification Code：

    TU312.3

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