简要介绍了一种新型高灵敏度磁阻传感器的工作原理和使用方法,并利用它测量了地磁场的主要参量。实验结果表明,用该磁阻传感器测量地磁场,测量方法实用性强,精确度较高。关键词: 磁阻传感器; 地磁场; 亥姆霍兹线圈; 磁感应强度; 磁倾角Abstract : The function and using of a new type of magnetoresistance sensor is briefly introduced. The main pa2 rameters of the earth2magnetic field are measured by using the type of magnetoresistance sensor. The experimen2 tal result indicates that the method is actable and the precision is well.Key words : magnetoresistance sensor ; earth2magnetic field ; Helmholtz coils ; magnetic inductive intensity ; magnetic declination
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