| YRY????????????????????????? |
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| 引用本文： | 邓涛,廖成旺,唐小林,陈亮.YRY?????????????????????????[J].大地测量与地球动力学,2007,27(3):118-122. |
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| 作者姓名： | 邓涛 廖成旺 唐小林 陈亮 |
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| 作者单位： | 1. 中国地震局地震研究所,武汉,430071
2. 中国地震局地震研究所,武汉,430071;地壳运动与地球观测实验室,武汉,430071 |
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| 摘 要： | ??????????????????YRY????????????????????????6λ???????????????24λ??-????ADC ADS1201?????????????????·??????????????Χ??????????????????????????????????????????????????????????????????????????????Ч????
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| 关 键 词： | 24λ??-????ADC ADS1210 ??????????? ???????? ?????? |
| 文章编号： | 1671-5942（2007）03-0118-05 |
| 修稿时间： | 2006-12-05 |
ACHIEVEMENT OF HIGH-ACCURACY DATA ACQUISITION OF YRY BOREHOLE STRAIN METER |
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| Deng Tao,Liao Chengwang,Tang Xiaolin,Chen Liang.ACHIEVEMENT OF HIGH-ACCURACY DATA ACQUISITION OF YRY BOREHOLE STRAIN METER[J].Journal of Geodesy and Geodynamics,2007,27(3):118-122. |
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| Authors: | Deng Tao Liao Chengwang Tang Xiaolin Chen Liang |
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| Institution: | 1Institute of Seismology, CEA, Wuhan 430071 ; 2 Crustal Movement Laboratory, Wuhan 430071 |
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| Abstract: | According to the demand of seismic precursor instruments——YRY borehole strainmeter, the data acquisition system with the 6 1/2 digit resolution system is introduced. Taking 24-bits Σ ΔADC ADC1210 as core component, the circuit design, the choice of high performance periphery devices, the topological construction of ground and program for high accuracy purpose are analyzed. The test results and seismic station observation have proved that the system can meet the requirements. |
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| Keywords: | 24-bits Σ-ΔADC ADS1210 seismic precursor instrument borehole strain meter data acquisition |
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