节点文献
结构地震反应在小波基下的动力可靠性分析
Dynamic reliability analysis for structure seismic response based on wavelet
【摘要】 本义用Meyer小波作为地震地面运动非平稳过程的小波基,推导出线性多自由度在此小波基下的瞬时功率密度谱,由此求出结构动力可靠度时程,实例表明:这种方法是有效可行的。
【Abstract】 Meyer wavelet is regarded as non- stationary process for earthquake ground motion wavelet basis, this paper proposes the instantaneous Power Spectral Density for linear mul- ti-degree-of-freedom based on the Meyer wavelet. and also gives structure dynamic reliability history. The example shows that this method is practicable.
【关键词】 小波变换;
Meyer小波基;
瞬时功率谱;
【Key words】 wavelet transform; meyer wavelet basis; instantaneous Power Spectral Density;
【Key words】 wavelet transform; meyer wavelet basis; instantaneous Power Spectral Density;
【基金】 国家自然科学基金资助项目(59869002);云南省教育厅科学研究基金资助项目(0142008)
- 【文献出处】 世界地震工程 ,World Information On Earthquake Engineering , 编辑部邮箱 ,2002年01期
- 【分类号】P315.9
- 【被引频次】12
- 【下载频次】112