1.
acoustic impedance density
声阻抗密度，声阻抗率
2.
opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component.
声音在通过一个表面时受到的阻力；声阻是声阻抗的实部，声抗是声阻抗的虚部。
3.
Instruments for the measurement of aural acoustic impedance/admittance
GB/T15953-1995耳声阻抗/导纳的测定仪器
4.
IMPEDOMETRY (Analysis of 200 Normal Ears)
声阻抗测听(200只正常耳测试结果分析)
5.
In the equivalent electrical network the acoustical mass of acoustic leaks is very important for impedance over the range from 250 to 1000Hz under the leakage conditions.
在250～1000赫频段内,声阻抗主要由它决定。
6.
Code for measurement of sound-absorbing coefficient and specific acoustic impedance of standing-wave meter
驻波管法吸声系数与声阻抗率测量规范
7.
A Study on Acoustic Impedance Matching Criteria for Coating Thickness Measurement by Ultrasonic Interferometry
超声干涉法涂层厚度测量声阻抗匹配判据研究
8.
Ultrasonic determination of carbon fiber composite porosity using acoustic impedance
碳纤维复合材料孔隙率超声声阻抗法检测
9.
Research on Measuring Sound Impedance of Anechoic Coating and Predictions in Sound Reflection of Composite Structure;
声学覆盖层声阻抗测量方法及复合结构声反射预报研究
10.
Study on the Key Technologies for Acoustic Impedance Reconstruction of Material with High Accuracy;
材料声阻抗高精度重建关键技术的研究
11.
Broad-band impedance composite muffler design and application
宽频带阻抗复合消声器的设计和应用
12.
The Electrical Impedance of Piezoelectric Transducer Mercurous Chloride Devices;
卤化亚汞声光器件换能器电输入阻抗
13.
Study on the measurement method of ultrasonic transducer electrical impedance
超声换能器电阻抗特性测量方法研究
14.
Discussion on Impedance Curve of Micro Loudspeaker
关于微型扬声器阻抗曲线的一些探讨
15.
Method of Impedance Characteristic Testing in Operating Voltage of Ultrasonic Motor
工作电压下超声波电机阻抗特性测试
16.
A Study of the Acoustical Properties of Compound Impedance in Sound Absorbing Structure
阻抗复合吸声结构的理论与声学特性研究
17.
External Impetance Network Used in Compensating Acoustics Energy Loss of Transducer in AO Device
阻抗网络补偿Hg_2Cl_2声光器件换能器的声能损耗
18.
Anti-noise performance of cross voltage measurement pattern in EIT
电阻抗成像交叉测量模式的抗噪声性能研究