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Abstract:
设计制作了音频声速测量仪,传输信号是可以连续调节频率的音频信号,发声喇叭和拾音喇叭分别安装在圆管的两端,距离保持不变,拾音喇叭的信号经放大后连接到数字电压表,把发声喇叭的激励信号和拾音喇叭的输出信号都接到示波器上。通过连续改变喇叭的发声频率,利用共振干涉法和相位比较法测量声速。
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Source :
物理实验
ISSN: 1005-4642
Year: 2014
Issue: 10
Page: 26-28
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 8
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