| 振动叠加的理论、实验及其数值计算 |
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| 引用本文： | 张世功,刘大卫,邰贵江. 振动叠加的理论、实验及其数值计算[J]. 实验科学与技术, 2011, 9(4): 61-62,92 |
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| 作者姓名： | 张世功 刘大卫 邰贵江 |
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| 作者单位： | 贵州大学理学院,贵阳,550025 |
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| 摘 要： | 讨论了振动叠加的问题,从理论和实验上研究了振动叠加的拍现象和李萨如图形,并利用MATLAB软件模拟了拍现象和李萨如图形;针对实验中李萨如图形的旋转情况,从理论和数值计算上分析了初相差变化以及信号频率的相对微小差异对图形稳定程度的影响,从而解释其转动的原因。
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| 关 键 词： | 振动叠加 拍现象 李萨如图形 初相差 |
Theory,Experiment and Numerical Calculation of Vibration Superposition |
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| ZHANG Shi-gong,LIU Da-wei,TAI Gui-jiang College of Science,Guizhou University,Guiyang,,China. Theory,Experiment and Numerical Calculation of Vibration Superposition[J]. Experiment Science & Technology, 2011, 9(4): 61-62,92 |
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| Authors: | ZHANG Shi-gong LIU Da-wei TAI Gui-jiang College of Science Guizhou University Guiyang China |
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| Affiliation: | ZHANG Shi-gong,LIU Da-wei,TAI Gui-jiang College of Science,Guizhou University,Guiyang,550025,China |
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| Abstract: | The problem of vibration superposition was discussed.Beat phenomenon and Lissa-jous figure were investigated theoretically and experimentally,at the same time they were simulated by Matlab software.The phase difference and the difference of frequency of signal＇s influence on Lissa-jous figure were analyzed in theory and by numerical calculation method,and the reason of rotation of Lissa-jous figure was explained. |
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| Keywords: | vibration superposition beat phenomenon Lissa-jous figure phase difference |
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