| 基于AD598的伸缩仪放大电路设计 |
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| 引用本文： | 杨江,吕宠吾.基于AD598的伸缩仪放大电路设计[J].大地测量与地球动力学,2010,30(Z1). |
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| 作者姓名： | 杨江 吕宠吾 |
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| 作者单位： | 中国地震局地震研究所; |
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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： | 伸缩仪多用于地壳形变观测,但其在工程中亦有较大的应用前景.现用的放大电路精度高但电路复杂、成本过高,造成其工程应用方面的局限性.介绍基于单片式线位移差动变压器(LVDT)信号调节器AD598设计的全新伸缩仪放大电路,作为伸缩仪放大电路的补充,体现了其在工程应用中简单可靠、成本低的优势.
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| 关 键 词： | 伸缩仪 形变观测 LVDT AD598 放大电路 |
DESIGN OF AMPLIFIER CIRCUIT OF EXTENSOMETER BASED ON AD598 |
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| Yang Jiang,Lu Chongwu.DESIGN OF AMPLIFIER CIRCUIT OF EXTENSOMETER BASED ON AD598[J].Journal of Geodesy and Geodynamics,2010,30(Z1). |
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| Authors: | Yang Jiang Lu Chongwu |
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| Institution: | Yang Jiang and Lu Chongwu(Institute of Seismology,CEA,Wuhan 430071) |
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| Abstract: | Extensometer has been used in crustal deformation observation for many years,but it still has a good prospect of application in engineering.Although the present amplifier circuit has high precision,it has the limitations in engineering applications because of its high cost and circuit complex.A new design of amplifier circuit using Linear Variable Differential Transformer-AD598 is introduced,which has many advantages,such as simplicity,reliablity and low cost in engineering application. |
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| Keywords: | extensometer deformation observation Linear Variable Differential Transformer(LVDT) AD598 amplifier circuit |
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