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| 引用本文： | 吕宠吾,杨江.���ʽ������[J].大地测量与地球动力学,2009,29(3):145-147. |
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| 作者姓名： | 吕宠吾 杨江 |
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| 作者单位： | 中国地震局地震研究所,武汉,430071 |
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| 基金项目： | 中国地震局地震研究所所长基金 |
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| 摘 要： | ????????????????????????????????????????????????????????????????????н??????????????????
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| 关 键 词： | ?????? ??? ???? ?????? ???? |
DEVELOPMENT OF DIFFERENCE EXTENSOMETER |
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| Lu Chongwu,Yang Jiang.DEVELOPMENT OF DIFFERENCE EXTENSOMETER[J].Journal of Geodesy and Geodynamics,2009,29(3):145-147. |
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| Authors: | Lu Chongwu Yang Jiang |
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| Institution: | Institute of Seismology;CEA;Wuhan 430071 |
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| Abstract: | 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. |
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| Keywords: | extensometer strain difference anti-jamming test |
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