Volume 29 Issue 11
Nov.  2003
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Lu Dawei, Li Shu. Application of wavelet transform for laminate real time injuries measuring[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(11): 1047-1050. (in Chinese)
Citation: Lu Dawei, Li Shu. Application of wavelet transform for laminate real time injuries measuring[J]. Journal of Beijing University of Aeronautics and Astronautics, 2003, 29(11): 1047-1050. (in Chinese)

Application of wavelet transform for laminate real time injuries measuring

  • Received Date: 25 Jun 2003
  • Publish Date: 30 Nov 2003
  • The wavelet analysis is adopted in this article for dealing with the signal. The main subject is calculating the dynamics response of samdwich board. Then decompose the structure response signal with wavelet tools after deducing the annoyance. The real-time monitoring for composite material is carried out by catching the damaging moment. Then choose the damage character by comparing the susceptibility to damage among every response signals.

     

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  • [1] 杨福生.小波变换的工程分析与应用[M].北京:科学出版社,1999.48~67 Yang Fusheng. The engineering analysis and application of wavelet transform[M]. Beijing:Science Press, 1999.48~67(in Chinese) [2] Daubechies I. The wavelet transform, time-frequency localization and signal analysis[J]. IEEE Trans Information Theory, 1990,36(5):961~1005 [3] 杜元虎,何成辉,王晓梅.小波理论与振动分析[J].东北林业大学学报,1997,25(3):60~64 Du Yuanhu, He Chenghui, Wang Xiaomei. Theory and vibration analysis wavelets . Journal of Northeast Forestry University, 1997,25(3):60~64(in Chinese) [4] 何正嘉.我国小波技术的应用现状与发展[J].振动工程学报,2000,13(增刊):16~22 He Zhengjia. Joyful perspective on boundless waves of wavelets[J]. Journal of Vibration Engineering, 2000,13(sup):16~22(in Chinese) [5] 吴耀军,陶宝祺,史见智. 基于小波包技术的复合材料损伤检测[J].复合材料学报,1997,14(4):95~100 Wu Yaojun, Tao Baoqi, Shi Jianzhi. Damage detection of the composite materials based on wavelet packets[J]. Acta Materiae Compostae Sinica, 1997,14(4):95~100(in Chinese) [6] Rhim J,Lee S W. A network approach for damage detection and identification of structures[J]. AIAA,94-1753-CP,1994.173~1802
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