| 地表潮汐应变观测的响应比及特征 |
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| 引用本文： | 张雁滨,尹祥咄.地表潮汐应变观测的响应比及特征[J].地球物理学报,1997,40(4):522-528. |
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| 作者姓名： | 张雁滨 尹祥咄 |
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| 作者单位： | 1. 国家地震局地震研究所, 武汉 43007;
2. 国家地震局分析预报中心, 北京 100036 |
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| 摘 要： | 运用非线性系统加卸载响应比理论，研究了潮汐应变观测的响应比特征，解决了响应比理论应用中的两个基础问题：加、卸载荷的计算和潮汐前兆观测中加卸载响应比的计算模型选择潮汐应变观测中的一些潮汐和非潮汐的以及与孕震力学过程有关的信息为响应参量，在不同的加、卸载方式下对各种响应比的震兆变化及特征进行研究，研究结果表明，加卸载响应比只在非线性系统的输入与系统的失稳密切相关时，才显示出失稳的前兆特征，且主要表现为短临前兆。
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| 关 键 词： | 地表平面 潮汐应变 加、卸载 响应比特征 |
| 收稿时间： | 1995-09-18 |
THE TIDAL STRAIN RESPONSE RATIO AND ITS CHARACTERISTICS |
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| ZHANG YAN-BIN ,JIANG JUN.THE TIDAL STRAIN RESPONSE RATIO AND ITS CHARACTERISTICS[J].Chinese Journal of Geophysics,1997,40(4):522-528. |
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| Authors: | ZHANG YAN-BIN JIANG JUN |
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| Institution: | 1. Institute of Seismology, State Seismological Bureau, Wuhan 430071, China;
2. Center for Analysis snd Prediction, State Seismological Bureau, Beijing 100036, China |
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| Abstract: | In this paper, the response ratio of the tidal strain is studied by the Load-Unload Response Ratio (LURR) theory. Two fundamental problems, which are the loadunload calculation and the computed model of LURR in the tidal precursory observation, are solved in the application for LURR theory. In the ridal strain observation, we choose some tidal, non-tidal and other infomation related to the mechanical process of an earthquake as the responsive parameter, and the precursory various and features of the response ratio ale studied under the different ways of load-unload. The response ratio can be only showed fairly good precursory features when the nonlinear system input and the instability are closely related. |
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| Keywords: | Earth surface plane Tidal stain Load-unload Response ratio feature |
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