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《Seismological and Geomagnetic Observation and Research》 2016-06
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Analysis of observation data of borehole strain at Lhasa Seismic Station

Wu Jilan;Chen Xiaoyun;Luodanbazhu;Duobula;Suolangduoji;Lhasa Seismic Station;Fuzhou Seismic Station;Ali Seismic Station;  
Selecting Tibet Lhasa seismic borehole body strain observation data of 2008—2014 and using Vinedikov's harmonic analysis method, the precision and stability of test data, and the body strain interference factors were analyzed. Analysis results show that due to poor drilling, seismic borehole body strain observation data is in low accuracy and not stable at Lhasa Seismic Station. But there is less interference factors. So, it is needed to do a good job in observation instrument daily maintenance to ensure the continuity of observation data and complete rate for improving the quality of body strain observation.
【Key Words】: borehole body strain tidal factor precision and stability interference analysis
【Fund】: 2015年中国地震局台站三结合课题
【CateGory Index】: P315.73
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