| Self－affine fractal features of earthquake time series before and after moderate earthquakes |
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| 引用本文： | 刘长海,刘义高,张军.Self－affine fractal features of earthquake time series before and after moderate earthquakes[J].地震学报(英文版),1994,7(3):447-456. |
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| 作者姓名： | 刘长海 刘义高 张军 |
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| 作者单位： | Seismological Bureau of Anhui Province，Hefei 230031，China |
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| 摘 要： | Ｓｅｌｆ－ａｆｆｉｎｅｆｒａｃｔａｌｆｅａｔｕｒｅｓｏｆｅａｒｔｈｑｕａｋｅｔｉｍｅｓｅｒｉｅｓｂｅｆｏｒｅａｎｄａｆｔｅｒｍｏｄｅｒａｔｅｅａｒｔｈｑｕａｋｅｓＣｈａｎｇ－ＨａｔＬＩＵ（刘长海），Ｙｉ－ＧａｏＬＩＵ（刘义高）ａｎｄＪｕｎＺＨＡＮＧ（...
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| 收稿时间： | 1 July 1993 |
| 修稿时间： | 29 October 1993 |
Self-affine fractal features of earthquake time series before and after moderate earthquakes |
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| Chang-Hat LIU,Yi-Gao LIU and Jun ZHANG.Self-affine fractal features of earthquake time series before and after moderate earthquakes[J].Acta Seismologica Sinica(English Edition),1994,7(3):447-456. |
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| Authors: | Chang-Hat LIU Yi-Gao LIU and Jun ZHANG |
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| Institution: | (1) Seismological Bureau of Anhui Province, 230031 Hefei, China |
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| Abstract: | In this paper we calculate the local fractal dimension values D of the self-affine feature of earthquake time series by RMS (root-mean-square) error method, and express the fractal dimensionality by the normalized correlation coefficient R. The fractal dimension values are given for earthquakes occurred in Tangshan, Haicheng, Songpan, Longling, Changshu, I.iyang in China and its vicinity by the moving scanning method with different magnitude thresholds and the fixed-window length (100 events). The results show the D values are characterized by decreasing, continued low level in values or by decreasing first and then increasing before moderate earthquakes. |
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| Keywords: | self-affine fractal local fractal dimension value earthquake prediction |
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