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Influence Mode Analysis of Self Vibration on Absolute Gravimeter

WU Qiong1 HAO Xiaoguang2 TENG Yuntian1 GUO Youguang2(1 Institute of Geophysics,China Earthquake Administration,5 South Minzhudaxue Road,Beijing 100081,China)(2 Institute of Geodesy and Geophysics,Chinese Academy of Sciences,340 Xudong Street,Wuhan 430077,China)  
Vibration isolation is one of key problems for absolute gravimeter development.We find out that the measurement error caused by self vibration is up to about mGal,which cannot be neglected.We analyze the experimental data,and try to find the reason and influence model of self vibration.Thus a new technique to improve the measurement accuracy of absolute gravimeter is provided.
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