| 自制声波干涉仪 |
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| 引用本文： | 张晓红. 自制声波干涉仪[J]. 物理实验, 2007, 27(10): 24-25 |
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| 作者姓名： | 张晓红 |
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| 作者单位： | 庆阳市第三中学,甘肃,庆阳,745000 |
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| 摘 要： | 用自制音频振荡器给2个电声性能相同的扬声器提供音频信号使其发声,在空间形成两列频率相同的声波,并通过声音的强弱来演示声波的干涉现象.
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| 关 键 词： | 声波 干涉 振荡电路 |
| 文章编号： | 1005-4642（2007）10-0024-02 |
| 修稿时间： | 2007-06-12 |
Self-made sound wave device |
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| ZHANG Xiao-hong. Self-made sound wave device[J]. Physics Experimentation, 2007, 27(10): 24-25 |
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| Authors: | ZHANG Xiao-hong |
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| Affiliation: | Qingyang No. 3 Middle School, Qingyang 745000, China |
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| Abstract: | Self-made sound generator is used to produce audio frequency signal for two identical speakers,then the speakers will make two series of sound waves at same frequency in space.Interference phenomenon will be demonstrated by the constructive interference and destructive interference of the sound wave. |
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| Keywords: | sound wave interference oscillating circuit |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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