Digital correlation method was used to extract phase information as the phase information of eddy current testing signals could reflect the characteristics of detecting system.
涡流检测信号中的相位信息能反映检测系统的某些特性，讨论用数字相关法提取相位特征信息。
The article will contrapose maximum value method based on detecting image grey grad, and take example of SOBEL operator to realize digital image fringe picking up based on hardware (CPLD).
针对检测数字图像灰度梯度的最大值法，采用SOBEL边缘检测算子对数字图像进行边缘检测，并利用硬件(大规模可编程逻辑器件CPLD)实现了数字图像的边缘提取。
The digital harmonic detecting method based on this kind of filter can be used in any kind of power harmonic compensation system.
基于此滤波器设计的数字谐波检测方法可用于任何一种电力系统的谐波补偿装置中。
This paper researches on using two digital method to evaluate the texture depth of asphalt pavement, realizes automation of detecting texture depth and improves the precision of the detection result.
为了实现路面构造深度检测的自动化，提高检测数据的准确性，本文研究应用两种数字化方法评价沥青路面构造深度。
The digital first-harmonic detecting method based on this kind of filter can be used in anyone power harmonic compensation system and microcomputer relay protection system.
此滤波器设计的数字基波检测方法可用于任何一种电力系统的谐波补偿和微机继电保护系统中。
This paper introduces a method of non-touch detecting bimetallic strip based on digital image processing technology.
介绍了一种基于数字图像处理技术的双金属片非接触式检测方法。
An edge detecting method for digital image is proposed using direction information of the gradient to thin off the differential image and defining a measuring function to link the edge points.
本文提出了一种利用梯度的方向信息，对微分图象进行细化，并确定一测量函数进行边缘点连接，以实现图象边缘检测的方法。
A method for digital harmonic detecting based on resampling and feedback theory is proposed, and a digital harmonic detecting system is designed.
为了缩短数字低通滤波器的动态时间和计算量，提出了基于重采样和反馈理论的数字化谐波检测方法。
This system USES photoelectric coder as speed detecting sensor, USES PID digital controller as control method, USES PWM signal as control output to regulate speed.
该系统采用光电编码器作为速度检测传感器，控制方式采用PID数字控制，控制输出采用PWM数字信号至驱动电路对电机调速。
A digital accumulating and detecting method used for an un-uniform pulse sequence in noise is described.
本文着重介绍了一种在噪声中积累和检测非均匀脉冲序列的数字实现方法。
Three kinds of new methods used for detecting fiber volume fraction of 3D woven composite were introduced, such as weighing method, theory model calculation method, digital image analysis method.
文中阐述了适用于三维机织复合材料纤维体积含量测定的3种新方法：称量法、理论模型法、数字图像分析法。
The invention relates to a method for embedding and detecting a watermark in a digital audio signal.
本发明涉及用于在数字音频信号中嵌入并检测水印的方法。
The invention discloses a method for analyzing digital interference fringe and a device for detecting optical component surface shape.
本发明公开了一种数字干涉条纹分析方法及光学元件面形检测装置。
A method for detecting the protrusion height of diamond abrasive grain on diamond wheel was proposed based on the digital image identification technology, and the measuring system was established.
提出一种应用数字图像识别技术检测金刚石砂轮磨粒凸出高度的检测方案，并建立了测试系统。
The paper describes a digital measurement method - fundamental frequency phase detachment method -which is used for detecting the dielectric loss of electric equipment.
为有效减少基波相位分离法在非同步采样时给介损角测量带来的误差，提出了加汉宁窗插值的改进基波相位分离法。
The paper describes a digital measurement method - fundamental frequency phase detachment method -which is used for detecting the dielectric loss of electric equipment.
为有效减少基波相位分离法在非同步采样时给介损角测量带来的误差，提出了加汉宁窗插值的改进基波相位分离法。
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