山西临汾中心地震台水平摆与垂直摆倾斜仪效能对比研究
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摘要
山西临汾中心地震台SSQ-2Ⅰ石英水平摆和VS型垂直摆倾斜仪同属数字化倾斜类前兆仪器,两摆式倾斜仪虽结构不同,但观测物理量一致。文章对同场地观测的两摆式倾斜仪记录资料从数据完整率、年变幅、年零漂、相对噪声水平、相关性、映震能力等多角度进行对比分析,以求对两仪器的运行效能进行综合评价。
Both SSQ-2 Ⅰ quartz horizontal pendulum and VS vertical pendulum tilt meters in Linfen Central Seismological Station of Shanxi are digital instruments for tilt observation,with same principles and physical measurement,but different structures.In order to comprehensively evaluate operational performance of the two kind of instruments,multiple perspective analysis and comparison,from aspects of data integrity rate,annual variation amplitude and zero drift,relative noise level,Venedikov harmonic analysis,correlation analysis and earthquake reflecting ability,for two kinds of pendulum tilt meters placed at same observation site in Linfen Central Seismological Station are taken.
引文
[1]荆红亮,张仰辉,高振强,等.山西临汾中心地震台数字摆倾斜资料研究分析[J].山西地震,2009(4):24-27.
    [2]张红秀,李艳,郭林旺,等.山西临汾中心地震台数字洞体摆观测资料映震能力分析[J].山西地震,2010(4):34-39.
    [3]张红秀,郭国祥,郭林旺,等.临汾地震台摆式倾斜仪的监测能力[J].地震地磁观测与研究,2012,33(3):223-230.

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