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《Journal of Geodesy and Geodynamics》 2009-03
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DEVELOPMENT OF DIFFERENCE EXTENSOMETER

Lu Chongwu and Yang Jiang(Institute of Seismology,CEA,Wuhan 430071)  
The structure,principle of the difference extensometer and the experimental results are introduced.The results show that difference extensometer is better than available instruments in the capability for anti-jamming,especially,it can particularly restrain the interference of common mode from the environmental vibration,the power fail in a moment and power noise.
【Fund】: 中国地震局地震研究所所长基金(IS200726020)
【CateGory Index】: P315.62
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1 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
【Citations】
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1 Lü Chongwu, Sun Yaqiang, Du Weimin, Li Jiaming, Zhan Biyan, Gao Ping, Luo Yu, Zhou Zhongyi and Lü Fuqi 1)Institute of Seismology, CSB, Wuhan 430071 2)Seismological Bureau of Shandong Province, Jinan 250014;DEVELOPMENT OF SS-Y SHORT-BASED EXTENSOMETER AND ITS CALIBRATOR[J];Crustal Deformation and Earthquake;2001-03
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【Co-citations】
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1 LI Ji-ye~1,HU Bin-sheng~1,ZHENG Zhao-fu~2(1.Earthquake Administration of Harbin Municipality,Heilongjiang Harbin 150021;2.Earthquake Administration of Jiamusi Municipality,Heilongjiang jiamusi 154002);LINDIAN M_S5.1 EARTHQUAKE AND TILTAL ABNORMALY OF THE VERTICAL PENDULUM IN YANSOU SEISMIC STATION[J];Seismological Research of Northeast China;2006-02
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4 LI Jie1,TANG Ting-mei1,JING Qiang1,LOU Guan-shou2,LIU Wen-yi3(1.Earthquake Administration of Shangdong Province,Jinan 250014,China;2.First Crustal Monitoring and Application Center,CEA,Tianjin 710054,China;3.Second Crustal Monitoring and Application Center,CEA,Xi′an 710054,China);Analysis of the Anomaly Characteristics from Cross-fault Deformation Measurements[J];Earthquake;2010-02
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【Co-references】
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1 Lü Chongwu, Sun Yaqiang, Du Weimin, Li Jiaming, Zhan Biyan, Gao Ping, Luo Yu, Zhou Zhongyi and Lü Fuqi 1)Institute of Seismology, CSB, Wuhan 430071 2)Seismological Bureau of Shandong Province, Jinan 250014;DEVELOPMENT OF SS-Y SHORT-BASED EXTENSOMETER AND ITS CALIBRATOR[J];Crustal Deformation and Earthquake;2001-03
2 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
3 Xiong Xianbao~ 1) ,Huang Xiaohua~ 2) ,Niu Qishou~ 2) ,Xu Zhiming~ 2) and Zhang Yuancheng~ 2) 1)Xiamen Seismic Station, Fujian Province 361003,China2)Longyan Seismic Station,Fujian Province 364000,China;Some commonly used methods and its computer realization in preprocessing solid tide observation data[J];Seismological and Geomagnetic Observation and Research;2006-04
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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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