| RZB???????????λ???????о? |
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| 引用本文： | 欧阳祖熙.RZB???????????λ???????о?[J].大地测量与地球动力学,2013,33(1):153-156. |
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| 作者姓名： | 欧阳祖熙 |
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| 作者单位： | 中国地震局地壳应力研究所,北京,100085 |
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| 基金项目： | 科技部国家社会公益研究专项(2004DIB3J132) |
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| 摘 要： | ?????RZB??????????????????????????????????????????????в?????????????????????????????????????λ?????????????????λ??????????????RZB??????????????????????????????е????????????????????????????????淶??????????????????λ????????????REMA??????????????????λ???????????????????????????????????????±??????????????????
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| 关 键 词： | ???????? ?????????λ??????? ????? ????????淶 ??????? |
RESEARCH ON IN-SITU CALIBRATION TECHNIQUE OF RZB BOREHOLE STRAINMETERS |
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| Ouyang Zuxi.RESEARCH ON IN-SITU CALIBRATION TECHNIQUE OF RZB BOREHOLE STRAINMETERS[J].Journal of Geodesy and Geodynamics,2013,33(1):153-156. |
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| Authors: | Ouyang Zuxi |
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| Institution: | Ouyang Zuxi(Institute of Crustal Dynamics,CEA,Beijing 100085) |
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| Abstract: | Two previous generations of RZB borehole strainmeters carry the measurement based on the transformer bridge consisting of the ratio arms and two differential capacitences of the transducer. The in situ calibration of the strainmeter was achieved by manual electric calibration methord. Because being unable to realize in situ calibration without the ratio arms the third generation of RZB borehole strainmeters using digital capacitance displacement transducers is unqualified for the technical requirements of instruments in network for earthquake monitoring. For these digital capacitance displacement transducers the research on new micro displacement calibration technique choosing REMA Magnetostrictive Alloys is carried through recently, the configuration and primary experimental results of new regulator are introduced and causes resulting in calibration error are also discussed. |
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| Keywords: | borehole strainmeter digital capacitance displacement transducers in situ calibration technical standard of earthquake instrument earthquake prediction |
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