A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
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。
To adopt white light digital speckle correlation method, so as to observe the coal body's deformation and destruction law in pick cutting course.
采用白光数字散斑相关的方法,观测截齿截割作用下的煤体变形破坏情况。
Test results demonstrated that digital image correlation method was effective, which could precisely measure the displacement and strain distribution in concrete under fatigue loading.
试验结果表明,数字图像相关方法具有可行性,能够有效地测量混凝土在疲劳荷载作用下的位移和应变。
Numerical results show that the phase correlation method can be applied to subpixel target location of digital images.
结果显示,相位相关方法可以运用于数字图像的亚像元目标定位问题。
The principle for measuring rock elastic constants using digital speckle correlation method (DSCM) is introduced.
介绍了用数字散斑相关方法(DSCM)测量岩石弹性常数的原理。
Objective To establish a new technique for evaluation of the tensile property of articular cartilage using digital speckle correlation method (DSCM).
目的建立数字散斑相关分析(DSCM)测量人体软骨拉伸性能的新技术和应用方法。
A new digital image correlation method (DICM) measurement is utilized to investigate the thermal expansion coefficient of the far-infrared ceramic coated the semiconductor galvanothermy membrane.
本文采用一种新的数字图像相关方法测量带有半导体电热膜的远红外陶瓷热胀系数。
An experimental study of the strength and deformation characteristics of carbon-fiber-sheet -reinforced concrete beams using digital speckle correlation method (DSCM) was performed.
通过用数字散斑相关方法(DSCM)对碳纤维布加固混凝土梁的实验,研究了碳布加固混凝土梁的承载力及变形行为。
The research used the digital speckle correlation method to analyse the mechanical characteristics of timber with finger-joints.
该文将数字散斑相关方法应用于指接木材的力学性能分析。
Based on the principle of demodulating the displacement of the projected fringes with digital image correlation method, a micro fringe projection correlation method is proposed.
基于数字图像相关法解调被物体高度调制的投影栅线平移量的原理,提出了显微栅线投影相关法的概念。
Based on the test results, the strain field around the sub-cracks was calculated using the digital image correlation method.
在实验观测的基础上,利用数字图象相关程序对裂纹周围变形场进行了分析计算。
A new algorithm, which combines the digital filter together with the correlation method is explained in this paper that can solve the above problem well.
文中介绍了一种采用数字滤波与相关技术相结合的新算法,较好地解决了这一问题。
Optical fiber-digital speckle pattern correlation method (FDSP) is studied based on theoretical analysis and experimental research.
对光导纤维—数字散斑相关方法进行了详细的理论分析和实验研究。
The optical measurement system of digital image correlation method was established, and the full field displacement of the single-edge crack specimen was obtained experimentally.
通过搭建数字图像相关方法光学非接触测量系统,试验表征含单边裂纹芳纶纤维复合材料试验件在拉伸载荷作用下的全场位移。
The chirp system, which is commonly used for RCS measurement, is utilized to collect data and a method of orthogonal digital correlation mixer is suggested to process the sampled data.
该方法利用通常的线性调频RCS测量系统进行信号采集;信号处理则采用本文介绍的正交相关数字混频器。
In order to obtain reliable strain field, full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了获得可靠的应变场,满场应变测量最小二乘法拟合的局部位移的数字图像相关方法的基础上提出的。
Based on the working principle of laser mouse, the digital speckle correlation method is used to realize orientation of laser mouse.
在激光鼠标工作原理的基础上,利用数字散斑相关方法对激光鼠标的定位原理进行了研究。
In this paper, the marking-dots digital image correlation method was applied to measure the cattle vertebral columns mechanical behavior.
通过对数字标记点相关法对动物(牛)脊柱的生物力学行为进行测量,得出了比较合理的结果。
The Method based on the DCT transformation has been the center technology for most of the digital image and video coding standards, since it features on good de-correlation and energy compression.
基于分块dct变换的编码方法,由于具有良好的去相关性和能量压缩特性,已经成为现有大多数图像和视频编码标准的核心技术。
Experimental results indicate that digital image correlation method can be regarded as a new method to measure rubber product elastic modulus in engineering project.
实验结果显示数字图像相关方法可作为测量工程中橡胶制品弹性模量的新方法。
A new precision enhancement method called as multi correlation peaks optimization in shape measurement by digital speckle temporal sequence correlation method is presented in this paper.
本文提出一种基于数字散斑时间序列相关三维面形测量法中提高测量精度的方法—多相关峰优化法。
In order to obtain reliable strain field, full-field strain measurement based on least-square fitting of local displacement for digital image correlation method is proposed.
为了从含噪声的位移场中计算得到可靠的应变场,提出一种基于位移场局部最小二乘拟合的全场应变求解方法。
The primary objective of this study is to demonstrate the feasibility of measuring intersection angle of the steel stiffening ring connection using the digital image correlation method (DICM).
连接的转角是其研究的重要指标,因此连接转角测试方法的实用性和有效性对连接工作性能研究的深入开展有非常重要的影响。
PAN b, XIE h, LI Y. 3d digital image correlation method for object surface topography and deformation measurement [j]. Journal of Experimental Mechanics, 2007, 22 (6) : 556-567.
潘兵,谢惠民,李艳杰。用于物体表面形貌和变形测量的三维数字图像相关方法[J]。实验力学,2007,226:556- 567。
A method for quartz rate sensor (QRS) using digital correlation detection is proposed to improve the performance of QRS.
为提高石英角速率传感器(QRS)的测量性能,提出了基于数字相关检测技术的QRS信号解调方案。
The principle of the digital image correlation method was described, and the relation between the crack tip displacement and the stress intensity factor was deduced using least squares fitting.
介绍数字图像相关方法的基本原理,建立数字图像相关方法中位移场与裂纹尖端应力强度因子之间的关系。
The principle of the digital image correlation method was described, and the relation between the crack tip displacement and the stress intensity factor was deduced using least squares fitting.
介绍数字图像相关方法的基本原理,建立数字图像相关方法中位移场与裂纹尖端应力强度因子之间的关系。
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