The Hall element can sense the change of the magnetic field caused by moving the set of magnetic sensing elements so as to judge the moving state of the lens load bearing base.
霍尔传感器可感测该组感磁元件移动时所造成的磁场变化，以判断镜头承载座的移动状态。
The new plan of magnetic-sensing detection is presented, whose elements and structure parameters are selected with finite element numerical simulation.
对磁敏传感器和永磁磁钢的工作特性进行了研究。 通过有限元仿真分析，确定了磁敏检测结构的基本元件和主要结构参数。
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