Cepstrum analysis of seismic source characteristics

This paper introduces the concept of cepstrum. By investigating the difference in source characteristics between earthquakes and explosions the paper infers the manifestation of source difference in various variable domains, and seeks for effective means to express such source difference. Extending...

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Bibliographic Details
Published in:Earthquake science 2003-01, Vol.16 (1), p.50
Main Authors: Wei, Fu-sheng, Li, Ming
Format: Article
Language:English
Subjects:
Earthquakes
Explosions
Seismic activity
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Summary:This paper introduces the concept of cepstrum. By investigating the difference in source characteristics between earthquakes and explosions the paper infers the manifestation of source difference in various variable domains, and seeks for effective means to express such source difference. Extending the approach of source discrimination from time and frequency domain to the cepstrum domain, the paper proposes a method of cepstrum analysis for recognizing the characteristics of seismic sources and establishes criteria for identifying the type of seismic sources. Cepstrum analysis on some recent earthquakes and explosions has been made, and the result shows that the method is quite effective in practice.[PUBLICATION ABSTRACT]
ISSN:1674-4519
1867-8777
DOI:10.1007/s11589-003-0006-9