| The numerical method of Fourier eigen transform and its application in seismicity analysis |
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| 作者姓名： | 陈兵 郑治真 江在森 |
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| 作者单位： | BING CHEN 1) ZHI ZHEN ZHENG 2) ZAI SEN JIANG 1)1)The Second Crustal Deformation Monitoring Center，SSB，Xi′an 710054，China 2)National Center for Seismic Data and Information，SSB，Beijing 100045，China |
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| 摘 要： | ＴｈｅｎｕｍｅｒｉｃａｌｍｅｔｈｏｄｏｆＦｏｕｒｉｅｒｅｉｇｅｎｔｒａｎｓｆｏｒｍａｎｄｉｔｓａｐｐｌｉｃａｔｉｏｎｉｎｓｅｉｓｍｉｃｉｔｙａｎａｌｙｓｉｓＢＩＮＧＣＨＥＮ１）（陈兵）ＺＨＩ－ＺＨＥＮＺＨＥＮＧ２）（郑治真）ＺＡＩ－ＳＥＮＪＩＡＮＧ...
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| 收稿时间： | 2 August 1996 |
| 修稿时间： | 18 April 1997 |
The numerical method of Fourier eigen transform and its application in seismicity analysis |
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| Bing Chen, Zhi-Zhen Zheng and Zai-Sen Jiang.The numerical method of Fourier eigen transform and its application in seismicity analysis[J].Acta Seismologica Sinica(English Edition),1997,10(6):753-759. |
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| Authors: | Bing Chen Zhi-Zhen Zheng and Zai-Sen Jiang |
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| Institution: | (1) The Second Crustal Deformation Monitoring Center, SSB, 710054 Xi’an, China;(2) National Center for Seismic Data and Information, SSB, 100045 Beijing, China |
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| Abstract: | This paper’s aim is to study the numerical method of Fourier eigen transform. The characteristics of eigen bases, the Hermite
function are analyzed. And a valuable result of eigen coefficients a
n by means of Gauss-Hermite integral is gotten. Through talking about amplitude-frequency peculiarities of basic signals, we
prove that the method applied in this paper possesses higher precision and smaller computation quantity. Finally, we conducted
quasi-real-time FET analysis in seismicity, tentatively probed into the feasibility of FET in seismic prediction, obtained
something of practical value. |
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| Keywords: | Fourier eigen transform earthquake sequence Gauss Hermite integral off point quasi real time spectrum |
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