| 763长周期地震仪及其地震记录特征 |
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| 引用本文： | 李惠智.763长周期地震仪及其地震记录特征[J].地震地磁观测与研究,1992(6). |
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| 作者姓名： | 李惠智 |
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| 作者单位： | 宁夏地震局 |
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| 摘 要： | 介绍了763长周期地震仪的原理特性,并着重分析讨论了长周期仪器在地震观测记录中显示出来的典型特性。指出763长周期资料的应用,能明显提高地震台站的监测能力和单台定位精度。地震记录震相清晰,特别是对记录“影区”地震和极远震有独到之处。763资料的应用,对于地震学的研究与发展,将发挥更大的作用。
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| 关 键 词： | 763长周期地震仪 观测频段 震相 地震记录特征 |
763 LONG-PERIOD SEISMOGRAPH AND ITS SEISMIC RECORDING CHARACTERISTICS |
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| Li Huizhi Seismoloingical Bureu of Ningxia Autonomous Region,Yinchuan ,China.763 LONG-PERIOD SEISMOGRAPH AND ITS SEISMIC RECORDING CHARACTERISTICS[J].Seismological and Geomagnetic Observation and Research,1992(6). |
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| Authors: | Li Huizhi Seismoloingical Bureu of Ningxia Autonomous Region Yinchuan China |
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| Institution: | Li Huizhi Seismoloingical Bureu of Ningxia Autonomous Region,Yinchuan 750001,China |
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| Abstract: | In this paper,we have introduced the principles and characteristics of 763 long- period seismograph and emphatically analysed and discussed the typical characte- ristics which the long-period seismograph has showed in seismic observation and record.It pointed out that the application of 763 long-period data can obviously raise the monitoring abilities of seismostations and the location accuracy by sta- tion.Seismic phases are clear,especially for shadow zone earthquakes and the ultraf distant earthquakes.The application of 763 data will play an important role in the investigation and development of seimology. |
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| Keywords: | 763 long period seismograph Observational frequency bond Seismic phase Recorded seismic characteristics |
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