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《Journal of Seismological Research》 2010-01
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Comparative Analysis of the SSY-Ⅱ Quartz Extensometer and the SS-Y Extensometer

JIANG Zhen-hai,SHI Xiao-ping (Earthquake Administration of Gansu Province,Lanzhou 730000,Gansu,China)  
An SSY-Ⅱ quartz extensometer was installed in 1985 at Shilidian station in Lanzhou,Gansu Province and an SSY-Y extensometer was installed again in 2006.In this paper,the contrastive analysis was made to the main parts of the two sets of instruments,such as the base line,the transducer system,the calibration system,the trend variation of the output data,the harmonic analysis,the interference and the seismic event.Also,the advantages and disadvantages of each instrument were pointed out.
【Fund】: “十五”甘肃省数字地震观测网络前兆分项(J102)资助
【CateGory Index】: P315.62
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