单缝衍射法测量磁致伸缩系数

doi:10.14139/j.cnki.cn22-1228.2023.02.002

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摘要

根据单缝衍射原理设计光路，通过数字图样处理方法处理高清摄像头采集的衍射图像，搭建一套精确测量铁磁材料在弱磁场中磁致伸缩系数的实验装置．该装置具有测量方法简单，精确度高，能够快捷测量的特点．

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	金远伟
	赵　斌
	吴庆春

关键词: 磁致伸缩系数单缝衍射数字图样处理方法

Abstract:

According to the principle of single slit diffraction, a device for measuring magnetostrictioncoeficient was devised by processing the diffraction images collected by high-definition camera using Digitamage Processing method.Then the device was used to accurately measure magnetostriction coefficient ofTbDyFe alloy in a weak magnetic field.The device has the characteristics of simple measurement method,highaccuracy and quick measurement.

Key words: magnetostriction coefficient single slit diffraction Digital Image Processing method

出版日期: 2023-04-25 发布日期: 2023-04-25 整期出版日期: 2023-04-25

ZTFLH:	O 482.5
	O 436.1

引用本文:

金远伟 , 赵　斌 , 吴庆春 . 单缝衍射法测量磁致伸缩系数 [J]. 大学物理实验, 2023, 36(2): 5-9.
JIN Yuanwei, ZHAO Bin, WU Oingchun. Measuring Magnetostriction Coefficient Using Single Slit Diffraction Method . Physical Experiment of College, 2023, 36(2): 5-9.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.02.002 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I2/5

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