摘要
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.
出处
《物理测试》
CAS
2007年第1期27-28,共2页
Physics Examination and Testing
关键词
换能器
声波衰减
声强衰减系数
transducer
attenuation of sound wave attenuation coefficient of sound intensity
