In this paper, the principle and primary results of measure ultrasonic soundvelocity and attenuation coefficient by ultrasonic syntonic method are introduced.
本文介绍利用超声共振法测量声速和声衰减系数的原理及自来水和乙醇的测量结果。
2
A frequency domain characterization method using low frequency ultrasound is put forward to estimate parameters of ultra thin elastic layers, such as: the soundvelocity, thickness and density.
本文提出一种定量无损估计超薄弹性层声速、厚度和密度参数的低频超声波频域定征方法。
3
Sing-around method for soundvelocity measurement have found wide acceptance because it is simple in circuitry and high in accuracy.