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巨磁电阻传感器在物理实验中的应用
引用本文:邹红玉.巨磁电阻传感器在物理实验中的应用[J].大学物理,2009,28(5).
作者姓名:邹红玉
作者单位:浙江林学院,天目学院,工程技术系,浙江,临安,311300
摘    要:将AA002巨磁电阻器件和小磁钢组合成巨磁电阻位置传感器,用于测量物体的悬置位置和液面高度,并应用于大学物理实验中,测量钢片的杨氏模量和小钢珠的体积.实验结果表明,所设计的巨磁电阻位置传感器,使用方法简便,灵敏度高,分辨率高,测量精度高,实用性强,成本低,适合在大学物理设计性实验中推广应用.

关 键 词:磁电阻  巨磁电阻效应  巨磁电阻传感器  物理实验

Application of magneto resistance position sensor to physical experiment
ZOU Hong-yu.Application of magneto resistance position sensor to physical experiment[J].College Physics,2009,28(5).
Authors:ZOU Hong-yu
Institution:Department of Tianmu;School of Science;Zhejiang Forestry University;Linan;Zhejiang 311300;China
Abstract:The magneto resistance position sensor is composed of AA002 series analog sensors and a little magnetic steel.Positions of either hanged body or water mark are measured.The Young modulus of steel and volume of steel ball are also measured.The experimental result indicates that the magneto resistance position sensor is actable,precision,simple and sensitivity.A series of physical experiments using the giant magneto resistance sensor are designed.
Keywords:magneto resistance  giant magneto resistance effect  giant magneto resistance sensor  physical experiment  
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