1.
Reflection coefficient changing of acoustic impedance interface during oilfield development
油田开发中声波阻抗界面反射系数的变化规律
2.
acoustic impedance density
声阻抗密度，声阻抗率
3.
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
4.
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
5.
Influence of Source Parasitic Impedance on AIGaN/GaN HEMTs Microwave Noise Performance
源极寄生阻抗对AlGaN/GaN HEMT微波噪声特性的影响
6.
ACOUSTIC IMPEDANCE CHANGES IN THE MIDDLE EAR OF GUINEA PIG-AFTER EXPOSURE TO IMPULSE NOISE AND AIR-BLAST
脉冲噪声与空气冲击波暴露后豚鼠中耳声阻抗的变化
7.
sound surface wave band rejection filter
声表面波带阻滤波器
8.
Studies on Scattering from Ellipsoids in a Shallow Water with sea bottom impedance
海底阻抗对浅海波导中椭球体的声散射研究(英文)
9.
seismic acoustic impedance log
地震波阻抗测井曲线
10.
low-pass filter type impedance transformer
低通滤波型阻抗变换器
11.
high impedance NMR spectrometer
高阻抗核磁共振波谱仪
12.
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。
13.
Acoustic impedance changes and hearing threshold shifts after exposure to impulse noise or air-blasts were studied in guinea pigs.
本文利用豚鼠研究了脉冲噪声和空气冲击波暴露后中耳声阻抗的变化和听阈偏移。
14.
Shot function and wave impedance inversion via 1D ware equation
一维波动方程震源函数与波阻抗反演
15.
Assessing Harmonic Impedance by Synchronously Layered Distortion Waves;
基于畸变波形同步分层估计谐波阻抗
16.
Analysis of the coupling impedance of slow-wave structure of multi-beam traveling wave tubes
多注行波管慢波结构的耦合阻抗研究
17.
A scattered wave field is a function of the incident wave field and the wave impedance difference function.
散射波场是入射波场与波阻抗差函数的函数。
18.
STAR imaging log
同步声波电阻率成象测井