| 声速测量实验仪的改进 |
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| 引用本文： | 朱方玺,曹伟然.声速测量实验仪的改进[J].物理实验,2011,31(10):40-43. |
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| 作者姓名： | 朱方玺 曹伟然 |
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| 作者单位： | 临沂大学理学院,山东,临沂,276005 |
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| 摘 要： | 针对原有声速测量仪中存在的不足,利用单片机、步进电机等器件构建控制电路,通过识别信号强度强弱变化来代替原有实验仪中手动操作,提高了实验精度.
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| 关 键 词： | 驻波 信号处理 自动控制 |
Improvement on instrument of sound velocity measurement |
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| ZHU Fang-xi,CAO Wei-ran.Improvement on instrument of sound velocity measurement[J].Physics Experimentation,2011,31(10):40-43. |
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| Authors: | ZHU Fang-xi CAO Wei-ran |
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| Institution: | ZHU Fang-xi,CAO Wei-ran(School of Science,Linyi Universtiy,Shandong 276005,China) |
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| Abstract: | Original sound velocity measuring instrument was improved using micro-control unit,step motor and other devices,automatic signal strength detection was adopted instead of manual operation.The improvement increased the experimental precision. |
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| Keywords: | stationary wave signal processing automatic control |
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