基于智能手机的均质圆弧微振动研究

doi:10.14139/j.cnki.cn22-1228.2022.06.017

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摘要

利用智能手机中 phyphox 软件和磁力计功能，将磁性小球固定在均质圆弧中心处，测得磁性小球的磁感应强度周期，即为均质圆弧的微振动周期，再把数据导入 origin 软件，绘制周期图像，计算均质圆弧微振动周期。并对理论值进行修正，测量结果与理论值符合得很好，其相对误差为 0．11%。此项工作对于利用智能手机开展复杂系统的微振动研究提供了有效的实验方法。

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	杨祎图
	邓招华
	杨琴
	冯洁
	刘应开

关键词: 均质圆弧微振动周期磁力传感器磁性小球

Abstract:

The cycle of magnetic induction intensity was examined by smartphone installed Phyphox software and its magneto-mechanical sensor，which is the micro vibrational period of homogeneous arc．The magnetic ball

is fixed at the center of homogeneous arc．Then the measured data was imported into Origin software and the frequency of it versus time was plotted． Based on it，the micro vibration cycle of homogeneous arc was

calculated．The obtained values are consistent with the theoretical ones with relative error of 0．11%．This method is extended to study micro vibration of complex systems by a smartphone．

Key words: homogeneous arc micro vibration cycle magneto-mechanical sensor magnetic small ball

出版日期: 2022-12-25 发布日期: 2022-12-25 整期出版日期: 2022-12-25

ZTFLH:

O 4-39

引用本文:

杨祎图 , 邓招华 , 杨琴 , 冯洁 , 刘应开 . 基于智能手机的均质圆弧微振动研究 [J]. 大学物理实验, 2022, 35(6): 79-84.
YANG Weitu , DENG Zhaohua , YANG Qin , FENG Jie , LIU Yingkai . Micro Vibration Study of Homogeneous A by a Smartphone . Physical Experiment of College, 2022, 35(6): 79-84.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.06.017 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I6/79

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