acoustical radiator

The Influence of Relative Movement Speed on the Amplitude Signal of the Acoustic Emission in the Friction Process

摩擦过程中相对运动速度对声发射振幅信号的影响

The Influence of Aging on Distortion-product Otoacoustic Emissions Amplitudes in Humans;

年龄对畸变产物耳声发射幅值的影响

give off unsteady sounds, alternating in amplitude or frequency.

发出不稳定的在振幅上或频率上交互的声音。

diffractional pulse-height discriminator

脉冲振幅衍射鉴别器

R (L) is the amplitude of the transmitted light.

r（L）是透射光振幅。

increases amplitude of reproduced sound.

增加再现声音的振幅。

The ratio of the amplitudes of the reflected and incident waves is termed the reflectivity or reflection coefficient.

反射波振幅与入射波振幅的比率称作反射率或反射系数。

Research on Dynamic Characteristics of Large Coss-Section Acoustic Horns and Software Design;

大截面超声变幅杆振动特性研究及设计软件开发

Research on AE Signal Processing Method of Vibrating Screen Damage;

振动筛损伤的声发射信号处理方法研究

Tool Wear Condition Monition Based on AE and Vibration

基于声发射和振动法的刀具磨损状态检测研究

Monitoring and Analysis of Acoustic Emission and Vibration Signal During Hard Cutting Process

硬车削过程中声发射和振动信号的监测及分析

Distortion Product Otoacoustic Emissions Amplittude Tested in Diabetics;

畸变产物耳声发射幅值在2型糖尿病病人中的检测

Sound waves are measured by their amplitude.

声波是根据其振幅来测量的.

fiber optic AM laser transmitter

光纤调幅激光发射器

AM transmitter with pulse duration modulation

脉宽调制式调幅发射机

The Change of Acoustic Stapedius Reflex Amplitude with the Stimulation of the Wide Band Noise in Sound Field

声场下噪声刺激对镫骨肌声反射幅值的影响

amplitude calibration unit

振幅校准器振幅测量器

A New Kind of Resonant Noncontact Fluid AE Sensor

一种新型谐振式非接触流体声发射传感器的研制