| 用移动富氏谱分析近场地震波的脉冲成分 |
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| 引用本文： | 孔建国,黄永林.用移动富氏谱分析近场地震波的脉冲成分[J].防灾减灾工程学报,2002,22(1):35-38. |
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| 作者姓名： | 孔建国 黄永林 |
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| 作者单位： | 江苏省地震工程研究院,江苏,南京,210014 |
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| 基金项目： | 国家留学基金委员会资助 |
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| 摘 要： | 采用移动富氏分析的方法，将不同时间同一频率成分的富氏谱连成曲线，分析地震波随时间变化时频率成分的变化状态。 采用移动富氏谱分析方法分析了两条典型近场地震波的脉冲成分及动力学和地震工程学意义。
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| 关 键 词： | 近场地震波 移动富氏谱 |
| 文章编号： | 1003-868X(2002)01-0035-04 |
| 修稿时间： | 2001年5月30日 |
Analysis of the impulsive component of the near-field seismic waves using moving Fourier spectral analysis method |
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| KONG Jian-guo,HUANG Yong-lin.Analysis of the impulsive component of the near-field seismic waves using moving Fourier spectral analysis method[J].Journal of Disaster Prevent and Mitigation Eng,2002,22(1):35-38. |
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| Authors: | KONG Jian-guo HUANG Yong-lin |
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| Abstract: | Using the moving Fourier analysis method，the Fourier spectral compone nts for the same frequencies at different times are joined into curves and the v ariations of the frequency components in the varying seismic waves are analysed. Impulsive components of two typical near-field seismic wave records are analysed using this method and their dynamic and earthquake engineering significances are also studied. |
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| Keywords: | near-field seismic waves moving Fourier spectrum |
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