| 一种声、波同步显示的“拍”现象演示仪 |
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| 引用本文： | 王国平,贺英侠. 一种声、波同步显示的“拍”现象演示仪[J]. 大学物理实验, 1996, 0(4) |
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| 作者姓名： | 王国平 贺英侠 |
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| 作者单位： | 武汉化工学院 |
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| 摘 要： | 本装置通过扬声器可分别发出两个单频音和合成后的拍音，同时利用激光将波形投影在墙上；可见（闻）度极高，还可单独利用激光演示光的干涉、衍射、偏振等现象。
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| 关 键 词： | 拍；音频振荡器；He～Ne激光器 |
A DENONSTRATOR FOR "BEAT" PHENOMENON OF SOUND AND WAVE SYNCHRODISPLAY |
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| Wang Guoping,He Yingxia. A DENONSTRATOR FOR "BEAT" PHENOMENON OF SOUND AND WAVE SYNCHRODISPLAY[J]. Physical Experiment of College, 1996, 0(4) |
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| Authors: | Wang Guoping He Yingxia |
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| Abstract: | This device can send two-single-freauency sound and synchrobeat respectively through loudspeaker,and meanwhile the shape of wave is projected onto the wall by use of laser,so that they can be both seen and heard.Other phenomena like interference,inflection, POlarization can also be displayed by means of laser. |
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| Keywords: | audio oscillator:He- Ne laser |
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