| 超声波在液体中相速与群速的测量 |
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| 引用本文： | 潘帅,万雨挺,陈洪山.超声波在液体中相速与群速的测量[J].物理实验,2011,31(4):39-41,45. |
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| 作者姓名： | 潘帅 万雨挺 陈洪山 |
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| 作者单位： | 浙江大学物理系,浙江,杭州,310012 |
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| 摘 要： | 简要叙述了相速与群速的定义,并用实验测量了超声波在不同液体中的相速与群速.
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| 关 键 词： | 相速 群速 超声波 |
Phase velocity and group velocity of ultrasonic wave in liquid |
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| PAN Shuai,WAN Yu-ting,CHEN Hong-shan.Phase velocity and group velocity of ultrasonic wave in liquid[J].Physics Experimentation,2011,31(4):39-41,45. |
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| Authors: | PAN Shuai WAN Yu-ting CHEN Hong-shan |
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| Institution: | PAN Shuai,WAN Yu-ting,CHEN Hong-shan(Department of Physics,Zhejiang University,Hangzhou 310012,China) |
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| Abstract: | The definitions of the phase velocity and group velocity were introduced briefly.The phase velocity and group velocity were measured in different liquids with ultrasonic wave in the experiment. |
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| Keywords: | phase velocity group velocity ultrasonic waves |
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