1.
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
2.
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
3.
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
4.
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
5.
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
6.
EMI noise source impedance measurement based on modified dual-current-probe approach
基于改进双电流探头法的EMI噪声源内阻抗测量
7.
Acoustic Impedance Matching Criteria and Their Applications for Layer Thickness Measurement by Ultrasonic Interferometry
超声干涉法薄层厚度测量声阻抗匹配判据及其应用
8.
VILP (Vector Impedance Locus Plotter)
矢量阻抗轨迹测绘器
9.
acoustic impedance density
声阻抗密度，声阻抗率
10.
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。
11.
IMPEDOMETRY (Analysis of 200 Normal Ears)
声阻抗测听(200只正常耳测试结果分析)
12.
Instruments for the measurement of aural acoustic impedance/admittance
GB/T15953-1995耳声阻抗/导纳的测定仪器
13.
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
14.
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
15.
Method of measurement of current noise generated in fixed resistors
GB/T7016-1986固定电阻器电流噪声测量方法
16.
CAT System for Microwaves and Resistance Parameter
微波计算机辅助测量系统及阻抗参数的测量
17.
Methods of measurement of characteristic impedance for radio-frequency cables
GB/T4098.3-1983射频电缆特性阻抗测量方法
18.
Methods of measurement of impedance uniformity for radio-frequency cables
GB/T12792-1991射频电缆阻抗均匀性测量方法