利用巨磁电阻传感器设计了多功能测量仪器,实验表明该测量仪能够精确测量物体的转速和转角,直观地演示行驶车辆对地磁场的扰动.A multifunction measuring instrument based on giant magnetoresistance sensors was designed.The experimental results showed that the instrument could not only accurately measure angular velocity,angle,but also demonstrate vehicle's disturbance on the earth's magnetic field.山东省教育科学“十二五”规划课题“分层次教学与大学生科学素质及创新能力培养的实践与研究”(No.2011GG106
