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《Chinese Journal of Geophysics》 1996-06
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EXPERIMENTAL STUDY OF HIGH RESOLUTION DIGITAL SEISMOGRAPH

LU QI-HU; CHEN SHAO-GUANG; LIU BAO-CHENG; LIU REN; CHEN FU(Institute of Geophysics,State Seismological Bureau,Beijing 100081.China)(Science Academy Jiangxi Province,Nanchang 330029,China)(Department of Geophysics,Peking University,Beijing 100871,China)(I  
In order to raise the resolution and dynamic range of digital seismograph, this paper gave a brief introduction of a kind of new idea about frequency-shifted laser technology and its fundamental principle on designing seismograph.Also,it described the preliminary experimental results produced by using above-mentioned principle.A best accuracy and higher resolution could be obtained by the seismograph made based on this principle and the dynamic range could be enhanced to 160 dB.
【Fund】: 国家自然科学基金
【CateGory Index】: P315.63
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【References】
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【Co-references】
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1 CHEN Shaoguang (Institute of Energy Resources,Jiangxi Academy of Sciences,Nanchang,330029)LIU Baocheng (Department of Geophysics,Peking University, Beijing,100871)YI Heling (Department of Physics,Texas University Austin, Tx78751,USA)CHEN Fu (Jia;Experimental Test of the Isotropy of Two way Speed of Light[J];ACTA SCICENTIARUM NATURALUM UNIVERSITIS PEKINESIS;1997-05
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