新型磁阻传感器测量地磁场实验的教学探讨  

Discussion on a New Magnetoresistive Sensor for Measuring the Earth-magnetic Field

作　　者：徐友冬[1] 

机构地区：[1]淮海工学院,江苏连云港222005

出　　处：《大学物理实验》2013年第3期111-113,共3页Physical Experiment of College

摘　　要：探讨了一种新型磁阻传感器在测量地磁场方面的应用。特别在确定地磁子午面方向和测量磁倾角上,提出了新的实验方法。该方法具有操作简单,精确度高等优点。在实验中,学生能够容易掌握关键操作要点,取得了不错的实验教学成果。This article discusses the application of a new magnetoresistive sensor for measuring the earth-magnetic field. In particular, we determine the direction of geomagnetic meridian plane and measure magnetic declination by using a new method which has the advantages of simple operation and high precision. In the experiment, students can easily master the key points of operation and experimental teaching has very good results.

关 键 词：磁阻传感器 亥姆霍兹线圈 磁倾角 

分 类 号：O441.5[理学—电磁学]