| 李雪红,徐洪钟,顾冲时,吴中如.基于小波和相空间重构的裂缝时变规律研究[J].水利学报,2007,38(2):250-254 |
| 基于小波和相空间重构的裂缝时变规律研究 |
| Law of time dependent deformation of crack based on wavelet and phase space reconstruction technique |
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| DOI： |
| 中文关键词: 裂缝 时变规律 小波分析 相空间重构 |
| 英文关键词: crack time dependent deformation wavelet analysis phase space construction |
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| 摘要点击次数: 1990 |
| 全文下载次数: 196 |
| 中文摘要: |
| 本文基于小波分析理论和相空间重构技术，根据大坝裂缝的实测资料，提出了裂缝时变规律分析方法。首先利用小波分析提取出裂缝的时效变形，然后采用相空间重构技术对时效变形重构相平面，研究裂缝开度随时间的演变规律。研究表明，应用该方法可以清晰地分析出裂缝随时间变化过程中轻微的转变，清楚地反映大坝裂缝的整个变化过程，从而得出裂缝的时变规律。 |
| 英文摘要: |
| The approach based on wavelet theory and phase space reconstruction for analyzing the law of time dependent deformation of crack according to the observation data of dam is proposed. Firstly, the wavelet analysis method is applied to extract the time dependent deformations of cracks. Then, the phase planes of cracks are constructed by using phase space reconstruction technique for studying the evolution of crack openings. The practice shows that by using this method the variation of time dependent deformation of cracks can be clearly find out. |
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