| 基于ARM7的静电探针测量仪的设计 |
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| 引用本文： | 许旺,陈政,李福龙,黄艳祥,王飞,苗银萍,宋殿友,张楷亮.基于ARM7的静电探针测量仪的设计[J].天津理工大学学报,2011,27(3):26-29. |
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| 作者姓名： | 许旺 陈政 李福龙 黄艳祥 王飞 苗银萍 宋殿友 张楷亮 |
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| 作者单位： | 天津理工大学电子信息工程学院,天津,300384 |
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| 基金项目： | 天津理工大学大学生创新性实验计划 |
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| 摘 要： | 设计了一种以ARM7为核心的静电探针自动测量仪,能够满足等离子参数测量的需要.该测量仪由A/D模块,D/A模块,以及隔离放大模块构成,可以实现对等离子体I-V特性曲线的获得,通过计算和分析伏安特性曲线从而获得等离子体密度和温度等相关参数.该系统具有成本低廉、携带方便、易于实用化等优势.
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| 关 键 词： | 静电探针 等离子体 伏安特性曲线 A/D D/A 隔离放大 |
The design of langmuir probe measuring instrument based on ARM7 |
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| XU Wang,CHEN Zheng,LI Fu-long,HUANG Yan-xiang,WANG Fei,MIAO Yin-ping,SONG Dian-you,ZHANG Kai-liang.The design of langmuir probe measuring instrument based on ARM7[J].Journal of Tianjin University of Technology,2011,27(3):26-29. |
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| Authors: | XU Wang CHEN Zheng LI Fu-long HUANG Yan-xiang WANG Fei MIAO Yin-ping SONG Dian-you ZHANG Kai-liang |
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| Institution: | (School of Electronic Information Engineering,Tianjin University of Technology,Tianjin 300384,China) |
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| Abstract: | The paper designed the langmuir probe measuring instrument based on ARM7 for the needing of measuring the parameters of the plasma.The reaching of I-V characteristics of electrostatic probe is realized by using the D/A conversion,the A/D conversion and isolating amplifier module.Then we can get the parameters of the plasma by calculating and analyzing the I-V characteristics.The instrument device has obtained excellent effects in practical applications. |
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| Keywords: | langmuir probe plasma I-V characteristics A/D D/A isolating amplifier |
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