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1·The principle of magnetic hysteresis loop measurement of hard magnetic material based on AT89C51 is introduced in this paper, including the implementation of the hardware and software.

文中介绍基于AT 89 C 51单片机的硬磁材料磁滞回线测量的基本原理及其硬、软件设计实现。

2·This paper introduces some magnetic parameters of magnetic material, such as magnetic hysteresis loop-line, electrical resistivity and magnetoresistivity, and the methods to measure them.

本文主要介绍了电磁材料的磁滞回线及电阻率与磁阻几种电磁参数以及它们的测量方法。

3·An easier method of measuring Curre Points of ferromagnetic materials has been presented through an experiment. Its principle is to observe the disappearance of the magnetic hysteresis loop.

本实验描述了一种测量铁磁性材料居里点的方法，其原理是观察磁滞回线的消失。

4·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.

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。