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2007•North China Earthquake SciencesRequires access

Application of three transformations in the analysis of in strong earthquake records

Ning Li

Open publisher page 1 citations

Abstract

Based on the analysis to Fourier,Wavelet and Hilbert-Huang Transform, the application of Hilbert-Huang Transform in the analysis of strong earthquake records is discussed with 60 strong aftershocks in Jiji earthquake series.The results show that Hilbert-Huang Transform not only has the same function of other transformations,but has its own new feature,which can reflect the instantaneous characteristic of strong motion.

About this research paper

What this paper is about

Based on the analysis to Fourier,Wavelet and Hilbert-Huang Transform, the application of Hilbert-Huang Transform in the analysis of strong earthquake records is discussed with 60 strong aftershocks in Jiji earthquake series.The results show that Hilbert-Huang Transform not only has the same function of other transformations,but has its own new feature,which can reflect the instantaneous characteristic of strong motion.

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Available abstract

Based on the analysis to Fourier,Wavelet and Hilbert-Huang Transform, the application of Hilbert-Huang Transform in the analysis of strong earthquake records is discussed with 60 strong aftershocks in Jiji earthquake series.The results show that Hilbert-Huang Transform not only has the same function of other transformations,but has its own new feature,which can reflect the instantaneous characteristic of strong motion.

Key concepts: Aftershock, Hilbert–Huang transform, Fourier transform, Hilbert transform, Seismology, Wavelet transform, Wavelet, Feature (linguistics)

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