| 仪表放大器在激光外差玻璃测厚系统中的应用 |
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| 引用本文： | 兰羽,卢庆林.仪表放大器在激光外差玻璃测厚系统中的应用[J].国外电子测量技术,2012,31(3):79-81. |
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| 作者姓名： | 兰羽 卢庆林 |
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| 作者单位： | 陕西工业职业技术学院 咸阳 712000 |
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| 基金项目： | 陕西工业职业技术学院院级2010科研项目(ZK10-24) |
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| 摘 要： | 为了放大激光外差玻璃厚度测量系统中的微弱信号,采用由分立元件构成仪表放大器作为光电探测器前置放大器,解决了放大器与光电接收器之间阻抗匹配,并运用Multsim对电路进行仿真和安装调试。结果证明,放大电路的输出信号符合系统设计的预期要求。
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| 关 键 词： | 激光外差技术 激光外差检测原理 仪表放大器 Multsim仿真 电路安装 |
Application of instrumentation amplifier in Glass-thickness measurement system using laser heterodyne |
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| Lan Yu
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Lu Qinglin.Application of instrumentation amplifier in Glass-thickness measurement system using laser heterodyne[J].Foreign Electronic Measurement Technology,2012,31(3):79-81. |
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| Authors: | Lan Yu Lu Qinglin |
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| Affiliation: | Lan Yu Lu Qinglin(Shanxi Polytechnic Institute,Xianyang 712000,China) |
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| Abstract: | To amplify the faint signal in the system of Glass-thickness-measure using laser heterodyne,it uses components to constitute Instrumentation amplifier as front amplifier of photodiode,it solves the problem of Impedance matching between amplifier and photodiode,and it also uses Multsim to emulation and Installation and debug to circuits.As a consequence,the output signal of amplified circuits,and can completely accord with the desired demands according to the designed system. |
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| Keywords: | laser heterodyne technology the inspecting principle of laser heterodyne instrumentation amplify Multsim to emulation circuits installment |
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