基于手机传感器 Phyphox 的声速测量方法研究

doi:10.14139/j.cnki.cn22-1228.2023.03.015

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摘要

根据空气柱共振发声原理，采用三种不同方法利用 Phyphox 软件测量出管子发出共鸣音时的声音频率。对测量数据进行傅里叶变换后，选取最明显且是基频相同倍数的声音频率，采用线性拟合方法得到三种不同声速。三种方法的声速测量结果与理论值相对误差都在 1.0％以内，说明测量方法可行并且实验趣味性较强。

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	姚星星
	郑　远

关键词: Phyphox 软件空气柱共振声速频谱分析

Abstract:

According to the principle of resonance sound generation of air column , three different methods areused to measure the sound frequency when the pipe emits resonance sound by using Phyphox software. AfterFourier transformation of the measured data, select the most obvious sound frequency that is the same multipleof the fundamental frequency ,and use the linear fitting method to obtain the sound velocity of three different methods. The relative error between the measured results of sound velocity and the theoretical value of the threemethods is within 1.0%, which shows that the measurement method is feasible and the experiment isinteresting.

Key words: Phyphox software air column resonance sound velocity spectrum analysis

出版日期: 2023-06-25 发布日期: 2023-06-25 整期出版日期: 2023-06-25

ZTFLH:

O 4-34

引用本文:

姚星星 , 郑　远. 基于手机传感器 Phyphox 的声速测量方法研究 [J]. 大学物理实验, 2023, 36(3): 74-77.
YAO Xingxing, ZHENG Yuan. Research on Sound Velocity Measurement Method Basedon Mobile Phone Sensor Phyphox . Physical Experiment of College, 2023, 36(3): 74-77.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.03.015 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I3/74

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