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基于PASCO平台的超声光栅实验设计及应用
引用本文:李健,刘立英,王如志,高小强,何川.基于PASCO平台的超声光栅实验设计及应用[J].物理实验,2012,32(7):43-46.
作者姓名:李健  刘立英  王如志  高小强  何川
作者单位:北京工业大学应用数理学院,北京,100124
摘    要:利用PASCO物理平台实验附件可组装性强的特征,设计与搭建了超声光栅实验装置,获得了清晰、直观的超声光栅衍射光强分布图,并利用极值查找等数据处理工具确定精确的衍射条纹位置.在此基础上,通过测量与计算得到了不同酒精溶液浓度下的超声波声速.

关 键 词:设计性实验  PASCO物理平台  超声光栅  溶液浓度

Design and application of ultrasonic grating experiment based on PASCO platform
LI Jian , LIU Li-ying , WANG Ru-zhi , GAO Xiao-qiang , HE Chuan.Design and application of ultrasonic grating experiment based on PASCO platform[J].Physics Experimentation,2012,32(7):43-46.
Authors:LI Jian  LIU Li-ying  WANG Ru-zhi  GAO Xiao-qiang  HE Chuan
Institution:(School of Applied Mathematics and Physics,Beijing University of Technology,Beijing 100124,China)
Abstract:Based on the PASCO physics experiment platform,an ultrasonic grating experiment device was designed.This device could obtain clear and intuitive light intensity distribution.The precise location of the diffraction stripes were confirmed using relevant data processing tools.Therefore,the supersonic velocity of different concentrations of alcohol solution was calculated.
Keywords:design experiment  PASCO platform  ultrasonic grating  concentration
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