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author:

蔡辉腾 (蔡辉腾.) [1]

Indexed by:

CQVIP PKU

Abstract:

利用希尔伯特-黄变换(HHT)研究古田地震中水口水电站重力坝强震反应台阵,强震反应观测资料的时频特性及重力坝结构动力特性表明:①强震记录能量集中在0-15Hz频段和10~15s时段;②坝顶重力坝强震反应相对坝基有2s左右的滞后;③重力坝顺河向主频为3.7Hz。通过强震观测记录HHT变换得到的边际谱、希尔伯特(Hilbert)能量谱和瞬时能量谱结构特征分析,初步了解强震记录的地震动特性和重力坝顺河向主频。

Keyword:

Hilbert能量谱 古田地震 水口水电站 瞬时能量谱 边际谱 重力坝

Community:

  • [ 1 ] 福州大学土木工程学院,福建福州350003
  • [ 2 ] 福建省地震局,福建福州350003

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Source :

水力发电

ISSN: 0559-9342

Year: 2011

Issue: 12

Volume: 37

Page: 34-37

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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