1) acoustic waveguide
声波导管
1.
Based on the theory of electric transmission line and the electroacoustic analogy method, the T-type equivalent network of the acoustic waveguide which is uniform and finitely long is derived in which plane wave propagate and the formula of its impedance transfer is obtained as well by means of the equivalent circuit analysis.
依据电传输线理论和声电类比原理,推导出了管中为平面波时有限长均匀截面声波导管的等效电路,并通过等效电路分析法推导出了其阻抗转移公式。
2.
Based on the theory of electric transmission line and the electroacoustic analogy method, the T_type equivalent network of the acoustic waveguide which is uniform and finitely long is derived in which plane wave propagate and the formula of its impedance transfer is obtained as well by means of the equivalent circuit analysis.
依据电传输线理论和声电类比原理,讨论并推导出了管中为平面波时有限长均匀截面声波导管的等效T型网络,并通过等效电路分析法推导出了其阻抗转移公式,为声波导管阻抗分析提供了一种新方法,使声波导管的设计更简便。
2) exponential waveguide
指数形声波导管
3) non-uniform cross section acoustic waveguide
变截面声波导管
1.
Study on the equivalent circuit of non-uniform cross section acoustic waveguide;
变截面声波导管等效电路研究
4) ultrasonic guided waves
超声导波
1.
Application of transducers in pipes inspection using ultrasonic guided waves;
传感器在管道超声导波检测中的应用
2.
Measurements of group velocity of ultrasonic guided waves and thickness of material based on Hilbert-Huang transform;
基于希尔伯特-黄变换测量超声导波的群速度及材料厚度
3.
Nondestructive test of ultrasonic guided waves for material damage;
材料损伤的超声导波无损检测
5) acoustic wave guide
声波导
1.
Based on fluid wave equation and acoustic wave guide theory, acoustic wave transmission characteristics of a new type of liquid acoustic emission sensor is theoretically studied.
利用流体波动方程和声波导理论，对一种新型液体声发射传感器的声波传播规律进行了理论研究，给出了声发射波的波导特性理论方程，讨论了波动特性的影响因素，为进一步利用和研究此类传感器提供了理论依据。
补充资料：磁声波
磁流体力学中声波与阿尔文波互相耦合形成的一种波。有快磁声波和慢磁声波之分,对于均匀理想介质,二者的相速度V+及V-为：
式中θ为磁声波的传播方向与磁场方向的夹角,VA为带磁等离子体中的阿尔文速度，cS为介质中声速。当θ＝0时，V+=±VA或±cS，磁声波退化为压缩阿尔文波和纯声波。当时，
就只有快磁声波而无慢磁声波。
式中θ为磁声波的传播方向与磁场方向的夹角,VA为带磁等离子体中的阿尔文速度，cS为介质中声速。当θ＝0时，V+=±VA或±cS，磁声波退化为压缩阿尔文波和纯声波。当时，
就只有快磁声波而无慢磁声波。
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