| 基于PASCO数据采集装置的激光测速实验探究 |
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| 引用本文： | 孙双鹏,吴万,王福娟,蔡志岗.基于PASCO数据采集装置的激光测速实验探究[J].大学物理,2012,31(8):49-52. |
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| 作者姓名： | 孙双鹏 吴万 王福娟 蔡志岗 |
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| 作者单位： | 中山大学物理科学与工程技术学院,广东广州,510275 |
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| 基金项目： | 广东省大学生创新实验项目(10558043)资助 |
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| 摘 要： | 探究了基于光多普勒效应和PASCO数据采集装置的激光测速实验,分别获取了液体流速和固体(光纤探针)运动速度的多普勒信号,利用多普勒信号可以测定它们的速度,并用“双光纤测速法”对比说明了测固体运动速度的精度.
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| 关 键 词： | 多普勒效应 激光流速仪 探针 PASCO |
Study on measuring system of velocity based on PASCO device |
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| SUN Shuang-peng
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WU Wan
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WANG Fu-juan
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CAI Zhi-gang.Study on measuring system of velocity based on PASCO device[J].College Physics,2012,31(8):49-52. |
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| Authors: | SUN Shuang-peng WU Wan WANG Fu-juan CAI Zhi-gang |
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| Institution: | (School of Physics and Engineering,Sun Yat-Sen University,Guangzhou,Guangdong 510275,China) |
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| Abstract: | An instrument for measuring velocity of system based on the Doppler effect of light using PASCO system to acquire signal are made.We have succeeded in measuring the velocity of liquid and solid(fiber) and analyzed the data and signal spectrum acquired. |
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| Keywords: | Doppler effect laser Doppler velocity instrument probe PASCO |
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