赵瑞, 李俊超, 贺北芳, 胡发瑞, 栗宁, 丁锐. DFA方法在近震中的应用[J]. 华北地震科学, 2017, 35(4): 51-54. DOI: 10.3969/j.issn.1003-1375.2017.04.009
引用本文: 赵瑞, 李俊超, 贺北芳, 胡发瑞, 栗宁, 丁锐. DFA方法在近震中的应用[J]. 华北地震科学, 2017, 35(4): 51-54. DOI: 10.3969/j.issn.1003-1375.2017.04.009
shu
ZHAO Rui, LI Jun-chao, HE Bei-fang, HU Fa-rui, LI Ning, DING Rui. The Application of DFA Method on Near Earthquakes[J]. North China Earthquake Sciences, 2017, 35(4): 51-54. DOI: 10.3969/j.issn.1003-1375.2017.04.009
Citation: ZHAO Rui, LI Jun-chao, HE Bei-fang, HU Fa-rui, LI Ning, DING Rui. The Application of DFA Method on Near Earthquakes[J]. North China Earthquake Sciences, 2017, 35(4): 51-54. DOI: 10.3969/j.issn.1003-1375.2017.04.009
shu

DFA方法在近震中的应用

The Application of DFA Method on Near Earthquakes

    摘要
  • 摘要: 利用去趋势涨落分析（DFA）方法分析辖区内各个子台记录到的同一个近震事件，研究分为地震前、中、后以及地震波形3个分量的标度指数，其标度指数的大小可以反映地震波信号与背景噪声信号的差异性。

     

    Abstract: The waveform data of the same near earthquake recorded by all the seismic station within jurisdiction are studied using the Detrended Fluctuation Analysis method (DFA). This paper explored the scaling exponents of the sequence before, during, and after an earthquake as well as three components of seismic waves. The value of scaling exponents can reflect the difference of signal between the seismic waves and the background noise.

     

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