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Dynamic Time Warping Distance Method for Similarity Test of Multipoint Ground Motion Field

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  • Yingmin Li
  • Huiguo Chen
  • Zheqian Wu

Abstract

The reasonability of artificial multi-point ground motions and the identification of abnormal records in seismic array observations, are two important issues in application and analysis of multi-point ground motion fields. Based on the dynamic time warping (DTW) distance method, this paper discusses the application of similarity measurement in the similarity analysis of simulated multi-point ground motions and the actual seismic array records. Analysis results show that the DTW distance method not only can quantitatively reflect the similarity of simulated ground motion field, but also offers advantages in clustering analysis and singularity recognition of actual multi-point ground motion field.

Suggested Citation

  • Yingmin Li & Huiguo Chen & Zheqian Wu, 2010. "Dynamic Time Warping Distance Method for Similarity Test of Multipoint Ground Motion Field," Mathematical Problems in Engineering, Hindawi, vol. 2010, pages 1-12, June.
    • Handle: RePEc:hin:jnlmpe:749517
    DOI: 10.1155/2010/749517
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