| A new method for precursory information extraction: Slope-difference information method |
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| 作者姓名： | 薄万举 谢觉民 罗三明 |
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| 作者单位： | BO Wan-ju XIE Jue-min LUO San-ming First Crustal Deformation Monitoring Center，China Seismological Bureau，Tianjin 300180，China |
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| 基金项目： | National Key Project for Basic Research Development (G199840700) and Ninth Five-Year Plan from Science and Technology Ministry ( |
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| 摘 要： | IntroductionSignificant progress has been made in the application of crustal deformation data to the intermediate and long-term earthquake prediction, seismicity situation judgment and the intermediate-term prediction, but the application to the intermediate and short-term earthquake prediction and research is difficult. This is because the crustal deformation data are not stable and contain strong intermediate and long-term deformational and disturbing signals, annual deformation signals and …
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| 收稿时间： | 1 August 2000 |
| 修稿时间： | 21 February 2001 |
A new method for precursory information extraction: Slope-difference information method |
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| BO Wan-ju,XIE Jue-min,LUO San-ming.A new method for precursory information extraction: Slope-difference information method[J].Acta Seismologica Sinica(English Edition),2001,14(2):166-175. |
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| Authors: | BO Wan-ju XIE Jue-min LUO San-ming |
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| Institution: | First Crustal Deformation Monitoring Center, China Seismological Bureau, |
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| Abstract: | A new method for precursory information extraction, i.e., slope-difference information method is proposed in the paper for the daily-mean-value precursory data sequence. Taking Tangshan station as an example, the calculation of full-time-domain leveling data is made, which is tested and compared with several other methods. The results indicate that the method is very effective for extracting short-term precursory information from the daily mean values after the optimization is made. Therefore, it is valuable for popularization and application. |
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| Keywords: | precursory information slope difference earthquake prediction |
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