| 不同频率的声波对测速的影响 |
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| 引用本文： | 周珺,陈宗广,郭鹏.不同频率的声波对测速的影响[J].大学物理实验,2014(2):35-36,39. |
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| 作者姓名： | 周珺 陈宗广 郭鹏 |
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| 作者单位： | 兰州交通大学甘肃兰州730070 |
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| 基金项目： | 兰州交通大学校内课题项目（207013） |
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| 摘 要： | 探讨不同频率的声波对测速的影响,以利于我们在今后的测速方面选择合适的选频。实验中应用了多普勒效应原理及李萨如图形原理。
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| 关 键 词： | 多普勒效应 李萨如图形 频率差 波程差 相位差 |
The Relationship Between the Different Frequency of the Sound Waves and the Speed Measurement |
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| ZHOU Jun,CHEN Zong-guang,GUO Peng.The Relationship Between the Different Frequency of the Sound Waves and the Speed Measurement[J].Physical Experiment of College,2014(2):35-36,39. |
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| Authors: | ZHOU Jun CHEN Zong-guang GUO Peng |
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| Institution: | (Lanzhou Jiaotong University,Gansu Lanzhou 730070) |
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| Abstract: | The relationship between the different frequency of the sound waves and the speed measure- ment is studied in order to choose the appropriate frequency. The principle of Doppler effect and Lissa- jous figures synthesis principle are used in the experiment. |
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| Keywords: | doppler effect Lissajous figure frequency difference wave path difference phase difference |
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