Hysteresis loop of ferromagnetic materials are measured by using surface magneto-optic Kerr effect, and the Kerr rotation Angle is obtained.
2
介绍借助A/D转换板，通过微机并行口实现铁磁材料磁滞回线自动测绘的原理与方法。
The paper presents a principle and method of automatic measuring and plotting magnetic material's magnetic hysteresis loop via computer's parallel port have the aid of A/D transition adapter.
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