| Extraction of seismic precursory information from gravity tide at Kunming station based on HHT |
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| 作者姓名： | 张立 傅容珊 周挚 山秀明 梁虹 全海燕 |
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| 作者单位： | School of Earth and Space Science University of Science and Technology of China，School of Earth and Space Science，University of Science and Technology of China，Earthquake Administration of Yunnan Province，Electronic Engineering Department，Tsinghua University，Information School，Yunnan University，Information Engineering and Automatism School，Kunming University of Science and Technology，Hefei 230026，China Earthquake Administration of Yunnan Province Kunming 650024，China，Hefei 230026，China，Kunming 650024，China，Beijing 100084，China，Kunming 650091，China，Kunming 650051，China |
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| 基金项目： | Natural Science Foundation of Yunnan Province （2003D0084M） and Key Technologies Research and Development Program of China （2004BA601 B01-0104）. |
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| 摘 要： | Hilbert-Huang Transformation(HHT)is a recently-developed method for non-linear signal processing (Huang et al,1998).By performing empirical mode decomposition(EMD)with HHT,various frequency compo-
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| 关 键 词： | 昆明地震台 HHT 地震前兆信息 重力潮 瞬时频率 |
| 文章编号： | 1000-9116（2007）02-0234-05 |
| 收稿时间： | 2006-05-08 |
| 修稿时间： | 2007-01-18 |
Extraction of seismic precursory information from gravity tide at Kunming station based on HHT |
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| Zhang Li , Fu Rong-shan , Zhou Zhi , Shan Xiu-ming , Liang Hong and Quan Hai-yan.Extraction of seismic precursory information from gravity tide at Kunming station based on HHT[J].Acta Seismologica Sinica(English Edition),2007,20(2):234-238. |
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| Authors: | Zhang Li Fu Rong-shan Zhou Zhi Shan Xiu-ming Liang Hong and Quan Hai-yan |
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| Institution: | (1) School of Earth and Space Science, University of Science and Technology of China, Hefei, 230026, China;(2) Earthquake Administration of Yunnan Province, Kunming, 650024, China;(3) Electronic Engineering Department, Tsinghua University, Beijing, 100084, China;(4) Information School, Yunnan University, Kunming, 650091, China;(5) Information Engineering and Automatism School, Kunming University of Science and Technology, Kunming, 650051, China |
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| Abstract: | |
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| Keywords: | HHT gravity tide instantaneous frequency earthquake precursor |
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