New Explorations of Laboratory and On-site Testing of Broadband Seismographs in China |
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| Authors: | XIE Jianbo YANG Dake LI Xiaojun YUAN Songyong TONG Wanglian MA Jiemei XU Weiwei DING Lisha and YE Shishan |
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| Institution: | Guangdong Earthquake Agency, Guangzhou 510070, China,Institute of Geophysics, China Earthquake Administration, Beijing 100081, China,Hebei Earthquake Agency, Shijiazhuang 050021, China,Institute of Geophysics, China Earthquake Administration, Beijing 100081, China,Yunnan Earthquake Agency, Kunming 650224, China,Institute of Geophysics, China Earthquake Administration, Beijing 100081, China,Institute of Geophysics, China Earthquake Administration, Beijing 100081, China,Guangdong Earthquake Agency, Guangzhou 510070, China and Guangdong Earthquake Agency, Guangzhou 510070, China |
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| Abstract: | According to different testing purposes, methods and available environmental conditions, the seismograph testing can be divided into laboratory and on-site testing, respectively. The testing of the seismograph's key parameters and other concerning technical specifications are well described in guide documents(China Earthquake Administration, 2017). This includes seismometer sensitivity, linearity and clip levels based on the shake table test, as well as the seismometer natural period, damping constant based on electrical calibration(Wang Guangfu,1986; Ple?inger A.,1993) and instrumental self-noise collocation estimation(Holcomb L.G., 1989; Sleeman R. et al., 2006). However, with the development of seismic observation technology, many new requirements for the performance evaluation of seismographs have been put forward, and new testing items and methods have emerged. |
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| Keywords: | Broadband seismographs Laboratory testing On-site testing |
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