| 泰安台YRY-2钻孔应变仪线差应变潮汐参数及其稳定性研究 |
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| 引用本文： | 唐九安,刘厚明,豆跃华. 泰安台YRY-2钻孔应变仪线差应变潮汐参数及其稳定性研究[J]. 地震工程学报, 2001, 23(2): 112-116 |
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| 作者姓名： | 唐九安 刘厚明 豆跃华 |
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| 作者单位： | 1. 中国地震局兰州地震研究所,
2. 山东省地震局泰安地震台, |
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| 基金项目： | 地震科学联合基金资助项目（100125）；中国地震局兰州地震研究所论著编号：LC2001012． |
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| 摘 要： | 介绍了泰安地震台YRY-2钻孔应变仪1991～1996年观测数据的调和分析结果．分析了潮汐参数的动态特征及其稳定性，并将有关结果与洞体水平线应变仪的（伸缩仪）观测结果进行了对比分析．泰安地震台YRY-2钻孔应变仪NS分量M2波月潮汐因子的离散中误差为3.3％，NE分量为3.6％，相位滞后的月离散误差小于2°．该指标与最好的洞室仪器SSY-Ⅱ的结果相当．
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| 关 键 词： | 山东 应变仪 线差应变 潮汐参数 泰安地震台 地震监测 YRY－2钻孔应变仪 |
| 文章编号： | 1000-0844(2001)02-0112-05 |
| 收稿时间： | 2000-07-25 |
| 修稿时间： | 2000-07-25 |
A STUDY ON TIDAL PARAMETERS AND ITS STABILITY FOR THE YRY-2 METER OF TAIAN STATION |
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| TANG Jiu-an,LIU Hou-ming and DOU Yao-hua. A STUDY ON TIDAL PARAMETERS AND ITS STABILITY FOR THE YRY-2 METER OF TAIAN STATION[J]. China Earthguake Engineering Journal, 2001, 23(2): 112-116 |
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| Authors: | TANG Jiu-an LIU Hou-ming DOU Yao-hua |
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| Affiliation: | TANG Jiu an 1,LIU Hou ming 2,DOU Yao hua 1 |
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| Abstract: | The harmonic analysis results of data by the YRY-2 bore hole earth strain meter of Tai-an seismic station from 1991 to 1996 are introduced.The dynamic characteristics and stability of the tidal parameters for the meter are analysed.A comparison between the results of the YRY-2 meter and SSY-Ⅱ quartz tube extensometer is made.The discrete error mean square of NS channel of the YRY-2 meter is 3.3 ％,that of NE channel of the meter is 3.6 ％,and monthly discrete error of phase lag is less than 2.0°.It shows the observation precision of the YRY-2 meter of the station is analogous to the best SSY-Ⅱ quartz tube extensometer. |
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| Keywords: | Shandong Strainmeter Linear difference strain Tidal parameter Discrete error mean square |
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