介绍了坡莫合金型磁阻传感器的结构与工作原理, 研究了该传感器的特性, 并用它测量了地磁场的主要参量Z 设计了一个消除此类磁阻传感器受强磁场干扰的电路, 有利于坡莫合金集成磁阻器件的推广应用Z关键词: 磁电阻效应; 坡莫合金; 脉冲电路; 地磁场Abstract: The st ructu re and operat ion p rincip le of perm alloy m agneto resistance sen so r are in t roduced, and it s p roperty is studied. The m ain param eters of geom agnet ic f ield are m easu red. The circu it fo r elim inat ing distu rbance of st rong m agnet ic f ield has been designed in o rder to popu larize the perm alloy m agneto resitance sen so r.Key words: m agneto resistance effect; perm alloy; impu lse circu it; geom agnet ic f ield
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