1.
acoustic impedance density
声阻抗密度，声阻抗率
2.
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
3.
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
4.
Numerical Calculation of Radiation Impedance of the Rectangular Piston in Different Ratios;
不同比率的矩形活塞声源辐射阻抗的研究
5.
electrical resistivity
电抗值,电阻（率）
6.
It was experimentally proved for the first time that the maximum acoustic power output can be transferred to the load when the acoustic resistance of RC load equals to its acoustic capacitance impedance.
首次通过实验验证了当声阻与容抗相等时,热声发动机向阻容负载传递的声功率最大。
7.
Two types of power amplifier for measuring speaker impedance curve were analysed.
分析了2种应用于测量扬声器阻抗曲线的功率放大器。
8.
Radiation Impedance and Acoustic Radiation Power of the Simply Four-side-supported Square Thin Plate in Flexural Vibration;
四边简支弯曲振动方形薄板辐射阻抗及辐射声功率的研究
9.
Acoustic horn is a key component in power ultrasonic equipment and plays a role in improving sound intensity and matching impedance.
超声变幅杆是功率超声设备中的关键部件,它起着增大声强和阻抗匹配的作用。
10.
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。
11.
impedance respiratory frequency transducer/sensor
阻抗式呼吸频率传感器
12.
impedance change frequency test
电阻抗变换频率试验
13.
Performance of Sound-Absorbing Material Based on Flow Resistivity
基于流阻率的吸声材料声学性能研究
14.
Instruments for the measurement of aural acoustic impedance/admittance
GB/T15953-1995耳声阻抗/导纳的测定仪器
15.
Broad-band impedance composite muffler design and application
宽频带阻抗复合消声器的设计和应用
16.
IMPEDOMETRY (Analysis of 200 Normal Ears)
声阻抗测听(200只正常耳测试结果分析)
17.
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。
18.
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