| 地震计位置校正 |
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| 引用本文： | 张磊,张新东,谭青,白燕.地震计位置校正[J].华北地震科学,2014(4):57-59. |
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| 作者姓名： | 张磊 张新东 谭青 白燕 |
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| 作者单位： | 河北省地震局邯郸中心台,河北邯郸056001 |
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| 基金项目： | 河北省地震星火科技项目“利用爆破和近震来校正井下短周期地震计方位角”（项目编号：2013-3-10） |
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| 摘 要： | 地震计与授时和定位用的GPS天线的分离,造成地震计位置的误差,这种现象在地震计置于山洞的地震台中是普遍存在的,对于井下地震计来说,在高度上也有300m左右的误差。结合邯郸台网的具体情况,分析了台站地震计位置普遍存在误差的现象,给出一种简单的校正方法,并对涉县台地震计位置进行校正,最后讨论地震计位置的偏差对地震定位的影响。
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| 关 键 词： | 地震计 GPS 位置校正 |
Seismometer Position Correction |
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| ZHANG Lei,ZHANG Xin-dong,TAN Qing,BAI Yan.Seismometer Position Correction[J].North China Earthquake Sciences,2014(4):57-59. |
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| Authors: | ZHANG Lei ZHANG Xin-dong TAN Qing BAI Yan |
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| Institution: | (Handan Central Seismostation, Hebei Handan 056001, China) |
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| Abstract: | The separation of seismometer and GPS antenna for timing and positioning leads to position error of seismometer ,which is a very widespread phenomenon in the seismic station with seismometers located in caves .For underground seismometers ,there is also 300 meters error in height .In this paper ,the wide‐spread phenomenon of seismometer location errors is analyzed under the condition of Handan networks and a simple correction method is presented ,using this method ,the seismometer at Shexian seismic station is corrected .Finally ,the influence of position error of seismometer to earthquake location is discussed . |
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| Keywords: | seismometer GPS position correction |
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