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《Seismological and Geomagnetic Observation and Research》 2016-06
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Research on the methods of improving observation performance for quartz horizontal pendulum tiltmeter

Wang Xiu;Lu Haiyan;Cai Li;Zhan Weiwei;China Earthquake Disaster Prevention Center;  
In order to improve the observation performance of SQ-70 D quartz horizontal pendulum tiltmeter, the main factors affecting the performance of tiltmeter is studied, and the upgrading methods from hardware and software are proposed in this paper. The measurement accuracy of the upgraded tiltmeter can reach sub-pixel level, and the dynamic range can be up to 14″, which significantly expands the application of this instrument. Meanwhile, the tiltmeter can achieve the second-level data acquisition to meet the requirements of industry standards. The upgrading of SQ-70 D tiltmeter is easy to be realized and popularized.
【Fund】: 地震科技星火计划项目(项目编号:15408013406);; 中国地震灾害防御中心主任基金项目(项目编号:2220045053)
【CateGory Index】: P315.62
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