NDLI: On quantitative identification of explosion earthquake based on cepstrum computation of HHT and statistical simulation of sub-cluster

Content Provider	IEEE Xplore Digital Library
Author	Wu Anxu
Copyright Year	2012
Description	Author affiliation: Earthquake Administration of Beijing Municipality, Beijing 100080 (Wu Anxu)
Abstract	Based on analysis of the source cepstrum, to obtain accurate spectrums, we used the high-precision HHT edge spectrum to calculate the cumulative cepstrum equence to eliminate the random noise caused by media in path, and further normalized the above sequence to eliminate part impacts of different epicentral distance and magnitude. On above basis, we used sub-cluster statistical theory to quantitative simulating above sequence of natural and earthquake to establish the analog equation of source identification. By Large number of experiments and preliminary analysis, r1 value of fundamental solution of sub-cluster statistics equation can be used as a quantitative identification indicators of explosion earthquake. Based on a number of samples of natural and explosion earthquakes in recent years, we carried out the HHT cepstrum analysis and quantitative recognition to give the specific criterion of quantitative identification of explosion earthquakes. Preliminary results show that the identification method and quantitative criteria have good recognition performance from the quantitative simulation of sub-cluster statistical theory based on normalized and cumulative sequence of the HHT cepstrum. Through comprehensive analysis and further discussion, it is think that the above parameter and quantitative criteria with simple and intuitive, quantitative and objective are not strict requirements on sample size, suitable for different regions with the strong applicability, especially suitable for small sample areas.
Starting Page	5311
Ending Page	5316
File Size	394589
Page Count	6
File Format	PDF
ISBN	9781467325813
ISSN	21612927
e-ISBN	9789881563811
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Chinese Assoc of Automati
Subject Keyword	HHT cepstrum Earthquakes Quantitative identification of explosion earthquake Cepstrum The nature of the source Explosions Electronic mail Mathematical model System-on-a-chip Equations r1 value Sub-cluster statistics
Content Type	Text
Resource Type	Article

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