| 吉林台网测震台站监测效能评估 |
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| 引用本文： | 康建红,张宇,郑国栋,张晨侠.吉林台网测震台站监测效能评估[J].防灾减灾学报,2014(4):74-77. |
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| 作者姓名： | 康建红 张宇 郑国栋 张晨侠 |
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| 作者单位： | 1. 吉林省地震局,吉林 长春,130117
2. 长春净月地震台,吉林 长春,130117 |
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| 摘 要： | 由于种种原因，台站地震计的固有周期、阻尼、灵敏度、观测动态范围等参数和台基噪声在运行的过程中会发生变化。本文用阶跃标定和计算观测动态范围、台基噪声功率谱的方法，得到吉林测震台网各台站地震计参数和台基噪声的变化情况，掌握吉林测震台网各台站的监测能力，为以后吉林测震台网的建设和发展提出建议。
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| 关 键 词： | 测震台站 地震计参数 脉冲标定 台基噪声功率谱 |
OBSERVATIONAL EFFICIENCy EVALUATION OF SEISMIC STATIONS IN JILIN SEISMIC NETWORk |
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| kANgJian-hong,ZhANgyu
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ZhENgguo-dong,ZhANgChen-xia.OBSERVATIONAL EFFICIENCy EVALUATION OF SEISMIC STATIONS IN JILIN SEISMIC NETWORk[J].Seismological Research of Northeast China,2014(4):74-77. |
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| Authors: | kANgJian-hong ZhANgyu ZhENgguo-dong ZhANgChen-xia |
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| Institution: | KANG Jian-hong,ZHANG Yu,ZHENG Guo-dong,ZHANG Chen-xia(1. Earthquake Administration of Jilin Province, Jilin Changchun 130117, China; 2. Changchun Seismic Station, Jilin Changchun 130117, China ) |
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| Abstract: | For all kinds of reasons, the parameters of a seismometer, such as natural period, damping, sensitivity, observational dynamic range, and station base noise will change during observing. In this paper, using methods of step calibration, calculation of observational dynamic range and station base noise power spectrum, variations of seismometers’ parameters and station base noise of stations were obtained, the observational ability of stations were known well. That can offer a proposal for Jilin Seismic Network to improve observational ability. |
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| Keywords: | seismic stations parameters of a seismometer pulse calibration station base noise power spectrum |
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