| 地震预警技术综述 |
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| 引用本文： | 袁志祥,单修政,徐世芳,李金正,李娟,乔迎春. 地震预警技术综述[J]. 自然灾害学报, 2007, 16(6): 216-223 |
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| 作者姓名： | 袁志祥 单修政 徐世芳 李金正 李娟 乔迎春 |
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| 作者单位： | 陕西省地震局,陕西西安710068 |
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| 摘 要： | 地震预警技术是为了适应减轻地震灾害的要求而产生的，其技术原理是利用电磁波与地震波的速度差，以及地震P波与S波的速度差来实现地震发生后的及时预警。论述了目前国内外应用地震预警技术、配置地震预警系统的情况，对应用该技术所产生的效益作了介绍，对其进一步的发展前景进行了展望。
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| 关 键 词： | 地震灾害 预警技术 预警系统 效益 前景 |
| 文章编号： | 1004-4574（2007）06-0216-08 |
| 收稿时间： | 2007-08-08 |
| 修稿时间： | 2007-10-10 |
An overview of earthquake early warning technology |
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| YUAN Zhi-xiang,SHAN Xiu-zheng,XU Shi-fang,LI Jin-zheng,LI Juan,QIAO Ying-chun. An overview of earthquake early warning technology[J]. Journal of Natural Disasters, 2007, 16(6): 216-223 |
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| Authors: | YUAN Zhi-xiang SHAN Xiu-zheng XU Shi-fang LI Jin-zheng LI Juan QIAO Ying-chun |
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| Abstract: | The technology of earthquake early warning comes into being due to the need of earthquake hazard reduction. Its principle is to present early warning immediately after quake by using the velocity difference betwwen electromagnetic wave and seismic wave and that between P wave and S wave. The application of earthquake early warning technology and the configuration of earthquake warning systems at home and abroads are discussed in this paper. The benefits from application of this technology are introduced and its orospects are nredicted. |
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| Keywords: | earthquake disaster early warning technology early warning system benefit prospects |
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