文章根据声速的测量实验中示波器信号随着接收换能器的移动而变化这一现象，拓展声波衰减的研究及声强衰减系数的测量实验。
The signal of oscillograph in the sound velocity measurement is change with displacement of ultrasonic transducer. The former phenomenon is used to measure the attenuation coefficient of sound.
参考文献
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%