1.
Ultrasonic Density Meter Design Based on Ultrasonic Echo Attenuation Theory
基于超声波回波衰减理论的超声波浓度计设计
2.
Single-beam echo sounding measurements
单波束回声测深数据
3.
pulsed echo ultrasonoscope
回波反射式超声诊断仪
4.
Multi-beam echo sounding measurements
多波束回声测深数据
5.
Measuring thickness by ultrasonic pulse-echo contact method
GB/T11344-1989接触式超声波脉冲回波法测厚
6.
An Ultrasonic Intruder Detection Method Based on Echo Envelope
基于回波包络的超声波入侵探测方法
7.
Research on algorithms of adaptive filters for acoustic echo cancellation
用于声学回波抵消的自适应滤波算法
8.
To repeat(a sound) by the reflection of sound waves from a surface.
发出回声表面反射声波而重复的声音
9.
AEC is implemented by adaptive filter.
声回波抵消通常采用由自适应滤波器组成的声回波抵消器来实现。
10.
Characters of Echolocation Calls in Myotis macrodactylus
大趾鼠耳蝠回声定位声波特征与分析
11.
The debris falling back to earth may generate additional direct and surface-wave noise.
碎石落回地面可产生附加的直达波和面波噪声。
12.
The Processing of Multi-channel Consecutive Ultrasonic Detecting Signal;
多通道连续超声波检测回波信号的处理
13.
Application of Wavelet Transform in Ultrasonic Echo Signal Processing
小波分析在超声回波信号处理中的应用
14.
Application of Wavelet Threshold Denoising Method in Echo Processing of Ultrasonic Pressure Measurement
小波阈值去噪在超声测压回波处理中的应用
15.
Application study of wavelet analysis on ultrasonic echo wave noise reduction
小波降噪在超声回波信号处理中的应用
16.
Repetition of a sound by reflection of sound waves from a surface.
回声因表面反射声波而引起的声音重复
17.
Echo:Repetition of a sound by reflection of sound waves from a surface.
回声:因表面反射声波而引起的声音重复.
18.
The reflected sound waves are then converted into a picture.
反射回来的声波然后转化成照片。