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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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