1) guide characteristic wave impedance
波导管特性波阻抗
2) natural impedance
特性阻抗，波阻抗
3) characteristic wave impedance
特性波阻抗
1.
The transverse and longitudinal wave velocities of the samples were accurately measured using the ultrasonic pulse echo overlap method, by which the characteristic wave impedance values of the samples were then obtained.
采用高精度超声波脉冲回波重合法 ,精确测量了样品的横、纵波声速 ,并由此计算得到其特性波阻抗的实验值。
2.
The transverse and longitudinal wave velocities of the samples were accurately measured using ultrasonic pulse echo overlap method, so the characteristic wave impedance values of the samples were then obtained.
采用高精度超声波脉冲回波重合方法,精确测量了超声波在样品中传播的横、纵波声速,并由此得到样品的特性波阻抗值。
4) characteristic wave impedance
特征波阻抗，特性波阻抗
5) guide wave impedance
波导管波阻抗;波导管阻抗
6) waveguide impedance
波导阻抗
补充资料：声特性阻抗
声特性阻抗
物理学术语。关于介质声学特性的物理量。在超声诊断领域简称声阻抗。声波在介质中某点的有效声压与通过该点的有效质点速度的比值。又可用介质的密度与声速的乘积来表示。声波经均质性介质时基本按直线持续传播；声波经两种介质时，其声阻抗差超过0.1%即产生声学界面，引起反射。脉冲反射式超声诊断仪显示的人体组织断面声像，实质上是人体组织中声阻抗差别的空间分布图。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条