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Zhang Shizhong, Shi Hang, Wang Lanwei, Hu Zhe, Liu Dapeng, Wei Liansheng, Ju Yong. 2013: An inspection equipment for electro-magnetic disturbance observation based on DDS technique. Acta Seismologica Sinica, 35(1): 108-116. DOI: 10.3969/j.issn.0253-3782.2013.01.011
Citation: Zhang Shizhong, Shi Hang, Wang Lanwei, Hu Zhe, Liu Dapeng, Wei Liansheng, Ju Yong. 2013: An inspection equipment for electro-magnetic disturbance observation based on DDS technique. Acta Seismologica Sinica, 35(1): 108-116. DOI: 10.3969/j.issn.0253-3782.2013.01.011
shu

An inspection equipment for electro-magnetic disturbance observation based on DDS technique

  • 1.

    Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, China

  • 2.

    Earthquake Administration of Gansu Province, Lanzhou 730000, China

  • 3.

    Fengning Seismic Station of Hebei Province, Chengde 068350, China

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  • Received Date: December 20, 2011
  • Revised Date: July 08, 2012
  • Published Date: December 31, 2012
    Graphical Abstract
    • Abstract
  • As one of the important means for earthquake precursor observation, electro-magnetic disturbance observation has drawn considerable attention of seismologists both at home and abroad. When no electro-magnetic events occurred, observation instruments could only record chaotic electro-magnetic field, so we could not confirm whether the instruments were working properly or not. For this reason, we developed an inspection equipment in accordance with the electro-magnetic disturbance observation standard enacted by China Earthquake Administration, and applied it at stations successfully. The inspection instrument is started each month to check regularly the electro-magnetic disturbance observation system, providing technical support for the identification of anomalous events.
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    • References (3)
  • 国家地震局科技监测司. 1995. 地震电磁观测技术[M]. 北京: 地震出版社: 269-270.
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