| 基于数字存储示波器的超声多普勒效应实验系统的研究与应用 |
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| 引用本文： | 李光仲,刘俊英,闫鹏,刘俊杰,邢娟. 基于数字存储示波器的超声多普勒效应实验系统的研究与应用[J]. 大学物理, 2009, 28(12) |
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| 作者姓名： | 李光仲 刘俊英 闫鹏 刘俊杰 邢娟 |
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| 作者单位： | 滨州医学院,物理教研室,山东,滨州,256603;滨州医学院,内科教研室,山东,滨州,256603 |
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| 摘 要： | 介绍了一种基于数字存储示波器的超声多普勒效应实验系统.该系统利用现有的超声声速测量设备,以频移信号处理电路和数字存储示波器作为数据测量单元的核心,通过与系统底座和运动控制单元相配合,开展与多普勒效应相关的多项综合性、设计性实验.实验中信号的转换、传输和处理过程清晰透明,有利于培养学生的自主动手能力和观察分析问题的能力.该实验系统结构简单,无需复杂的软件编程,各实验室均可自行完成制作,同时又可实现实验资源共享,提高仪器设备的利用率,具有较高的实用和推广价值.
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| 关 键 词： | 多普勒效应 超声波 数字存储 频移 |
Research and practice on the ultrasonic Doppler effect experimental system based on digital storage oscilloscope |
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| LI Guang-zhong,LIU Jun-ying,YAN Peng,LIU Jun-jie,XING Juan. Research and practice on the ultrasonic Doppler effect experimental system based on digital storage oscilloscope[J]. College Physics, 2009, 28(12) |
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| Authors: | LI Guang-zhong LIU Jun-ying YAN Peng LIU Jun-jie XING Juan |
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| Affiliation: | 1.Physics Teaching and Research Department;Binzhou Medical College;Binzhou;Shandong 256603;China;2.Medicine Teaching and Research Department;China |
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| Abstract: | An ultrasonic Doppler effect experimental system based on the digital storage oscilloscope is introduced.This system uses the existing ultrasonic sound velocity measurement equipment.With the shift signal processing circuits and digital storage oscilloscope as the data measurement unit core,and through coordinating with the system base and the movement control unit,a number of integrating and designing experiments related to the Doppler effect can be carried out.The students' understanding to Doppler effect... |
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| Keywords: | Doppler effect ultrasonic wave digital memory frequency-shift |
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