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《Seismological and Geomagnetic Observation and Research》 2016-06
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Analysis of short-term distortion data for SS-Y type telescopic instrument at Zhangzhou Seismic Station

Zhang Kai;Li Xingmei;Lin Miaolu;Quan Jianjun;Zhangzhou Seismic Station;Yongan Seismic Station;  
A variety of short-term distortion occurred in daily observation data of SS-Y expansion instrument at Zhangzhou Seismic Station. With Matlab software, spectrum analysis and filtering are adopted to data analysis. Through an analysis of the results, the various types of interference factors in extensometer observation are summarized for better identification of non-seismic precursory factors.
【Key Words】: extensometer short-term distortion spectrum analysis and filtering
【Fund】: 福建省地震局地震台站科技基金专项
【CateGory Index】: P315.62
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