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《大地测量与地球动力学(英文版)》 2011-01
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Development of a new differential extensometer

Lü Chongwu and Yang Jiang Institute of Seismology,CEA, Wuhan 430071, China  
This paper describes a new differential extensometer,which has a baseline rod in suspension with both ends free,and some preliminary test results.Compared with a traditional differential extensometer,which has one end of the baseline rod fixed to the ground,this instrument is less affected by commonly encountered interferences,including environment vibration,momentary power failure,and power noise.
【Fund】: supported by the Director Foundation of Institute of Seismology CEA(IS200726020)
【CateGory Index】: P642.26
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Chinese Journal Full-text Database 1 Hits
1 Xu Chunyang,Yang Jiang,Du Weimin and Lu Chongwu(Institute of Seismology,CEA,Wuhan 430071);ANALYSIS ON TEST RESULTS OF DIFFERENTIAL EXTENSOMETER[J];Journal of Geodesy and Geodynamics;2007-S1
Chinese Journal Full-text Database 2 Hits
1 Lu Chongwu and Yang Jiang(Institute of Seismology,CEA,Wuhan 430071);DEVELOPMENT OF DIFFERENCE EXTENSOMETER[J];Journal of Geodesy and Geodynamics;2009-03
2 JIANG Zhen-hai,SHI Xiao-ping (Earthquake Administration of Gansu Province,Lanzhou 730000,Gansu,China);Comparative Analysis of the SSY-Ⅱ Quartz Extensometer and the SS-Y Extensometer[J];Journal of Seismological Research;2010-01
【Secondary Citations】
Chinese Journal Full-text Database 1 Hits
1 Wang Mei 1), Song Ziping 2), Li Feng 1) and Liu Jing 1) 1)Seismological Bureau of Shandong Province,Jinan 250014 2)Seismological Bureau of Shanghai City,Shanghai 200062;SYNTHETIC EVALUATION ON DIGITAL DEFORMATION OBSERVATIONS[J];Crustal Deformation and Earthquake;2003-04
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