大学物理 ›› 2025, Vol. 44 ›› Issue (5): 26-.doi: 10.16854 /j.cnki.1000-0712.240471

• 教学改革 • 上一篇    下一篇

MATLAB可视化辅助受迫振动实验教学的探索

刘天贵, 陈赫, 周群益, 周艳明, 秦志辉
  

  1. 1. 湖南大学物理与微电子科学学院,湖南 长沙410082;2. 湖南大学电气与信息工程学院,湖南 长沙410082




  • 收稿日期:2024-10-17 修回日期:2024-11-25 出版日期:2025-07-01 发布日期:2025-07-28
  • 作者简介:刘天贵(1973—),女,湖南岳阳人,湖南大学物理与微电子科学学院讲师,博士,主要从事大学物理实验教学与研究工作.
  • 基金资助:
    湖南省普通高等学校教学改革研究项目(HNJG-20230184,202401000423,20210037); 教育部产学合作协同育人项目(231100532060941,202101003064).

MATLAB visualization assisted teaching of forced vibration experiment

LIU Tian-gui1, CHEN He2, ZHOU Qun-yi1, ZHOU Yan-ming1, QIN Zhi-hui1   

  1. 1. School of Physics and Electronics, Hunan University, Changsha, Hunan 410082, Chian;
    2.College of Electrical and Information Engineering, Hunan University, Changsha, Hunan 410082, China
  • Received:2024-10-17 Revised:2024-11-25 Online:2025-07-01 Published:2025-07-28

摘要: 从受迫振动实验原理出发,分析了强迫力矩初相对实验测量结果的影响. 利用MATLAB将受迫振动的解析解和不同阻力矩下的幅频特性可视化.教学改革与实践表明以学生为中心,以问题为导向,借助MATLAB可视化结果,在受迫振动实验原理讲解时引导学生分析操作过程的物理机制,夯实了学生的实验探究能力,同时培养了学生的动脑能力,取得了一定的成效.

关键词: 受迫振动实验, 幅频特性, 相频特性, MATLAB可视化, 探究能力

Abstract:  Based on the forced vibration experiment principle, the effect of the forced vibration initial phase on experimental measurement results is discussed. MATLAB is used to visualize the analytical solutions and amplitude-frequency characteristics under different resistance torques for forced vibration. Taking students as the center and problem oriented, students are guided to analyze the physical mechanism of the operation process during the explanation of experiment principle by means of MATLAB visualization, which can strengthen the experimental inquiry ability of student. Some achievement about the teaching reform has been achieved in teaching practice. 

Key words:  forced vibration experiment, amplitude-frequency characteristics, phase-frequency characteristics, MATLAB visualization, inquiry ability