ultrasonic echo method

基本解释超声波回声法

网络释义

1)ultrasonic echo method,超声波回声法2)ultrasonic echo method,超声回波法3)ultrasonic echo,超声回波4)Ultrasonic scattering echo technique,超声散射回波法5)ultrasonic wave,超声波法6)ultrasonic method,超声波法

用法和例句

Image signal carried by ultrasonic echo is valuable information in diagnose.

超声回波中所加载的图像信号是诊断中所需要的有价值的信息,鉴于超声波本身在人体中传播和衰减的特性,超声回波的接收和放大电路直接影响超声图像的质量,在超声仪器中占有重要地位,本文就其中的部分功能电路作了说明与分析。

Based on the principle of sand particle falling, a new method using the ultrasonic echo technique has been introduced for analysing particle sias.

基于泥沙的沉降特性,本文利用超声回波技术,提出了一种新的泥沙颗分方法,经对沙样的实际比测表明,超声颗分具有重复性好,无接触测量,连续自动采样且不受泥沙色度的影响等特点,为泥沙的颗粒分析提供了新的途径。

Firstly, the basic principles of EMD decomposition method and neural network were introduced in this paper, ultrasonic echo signal was analyzed in time domain and frequency domain by EMD, and then the parameters of time and frequency domain characteristics were analyzed and summarized.

本文首先介绍了EMD分解方法和神经网络的基本原理,利用EMD对超声回波信号进行了时域和频域的分析,归纳分析了回波信号在时域和频域的特征参数,在此基础上分析了神经网络输入特征参数的选择原则以及如何选取部分时、频域特征参数作为神经网络输入,并得出了较理想的特征参数组合。

Takes the solvent with the ethanol has studied the husked lotus core flavanoids class material microwave, the ultrasonic wave extraction method, chooses the superior parameter combination through the orthogonal experiment, the ultrasonic wave method ethanol density was the 80 %, pH value was 6.

用乙醇作为溶剂,研究莲子芯黄酮类物质的微波、超声波提取方法,通过正交试验选优参数组合,超声波法的乙醇浓度为80%,pH值为6。

Different oxidants are used such as hydrogen peroxide and Fenton reagents together with ultrasonic wave to enhance the degradation of some refractory organic compounds.

超声波法是近年来逐步发展起来的一项水处理技术,它操作简单方便,无二次污染,但是单纯超声处理废水的降解效率并不十分理想,且能量消耗较大,在超声处理过程中加入适当的氧化剂,则可以大大提高超声降解的效果,并且降低能耗。

Tea polyphenols from the Fenghuang tea of Chaozhou was extracted by ultrasonic wave technology with orthogonal test method in this study.

潮州凤凰茶为原料,用超声波法提取茶多酚,通过正交试验确定最佳提取工艺。

Application of the ultrasonic method to monitoring the whole process of treating super-long broken piles;

超声波法全程监控超长桩断桩处理的应用研究

The research of the ultrasonic method in detecting pile foundation of the bridge;

超声波法检测桥梁桩基的试验研究

Condition optimization of extracting carotenoids from tobacco leaves by ultrasonic method;

超声波法提取烟叶中类胡萝卜素条件的优化

ultrasonic echo-impulse digital thickness meter

超声回波脉冲数字式测厚仪

Feature extraction of ultrasonic echo signals(RF);

超声回波射频(RF)信号的特征值提取

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

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

Study on Underwater Target Ultrasonic Echo Signal Feature Extraction Technology;

水下目标超声回波信号特征提取技术研究

De-noising of Ultrasonic Echo based on Maximum Likelihood Estimation Thresholding Method;

最大似然估计阈值法对超声回波消噪的研究

Method of Ultrasonic Echo Parameter Estimation Based on Matching Pursuit

基于匹配追踪的超声回波参数估计方法

Consecutive polarity coincidence based SSP to ultrasonic reflected signal

超声回波信号的连续极性一致法分离谱处理

pulsed echo ultrasonoscope

回波反射式超声诊断仪

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

Measuring thickness by ultrasonic pulse-echo contact method

GB/T11344-1989接触式超声波脉冲回波法测厚

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

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

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

Research on Measurement of Ultrasonic Transit Time Based on Sing-around Method;

基于回振法的超声波传播时间测量方法研究

The Theoretic Analysis, Design and Facture of Rotary Piezoelectric Ultrasonic Motor;

压电回旋型超声波电机的理论分析与设计制作

STUDY ON WELDING PROCESS OF PC ULTRASONIC BLOOD RECYCLING CANS

聚碳酸酯血液回收罐的超声波焊接工艺研究

Study on Recovering Waste Oil from Oily Sludge Using Demulsifier Assisted Ultrasound

破乳剂辅助超声波回收含油污泥中污油的研究

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