The out-plane route of ESPI was introduced for the displacement measurement of flexible lever.
将电子散斑测量离面位移的光路引入到高弹性连轴器挠性杆的横向弯曲变形测量中。
Electronic speckle pattern interferometry(ESPI) is an important branch of optical measurement techniques.
电子散斑干涉测量技术是光学测量技术的一个重要分支。
We propose a novel method to obtain speckle fringe patterns of ESPI from undeformed and deformed speckle patterns.
本文基于变形前和变形后的散斑图,提出一种获得电子散斑干涉条纹图的新颖方法。
Analysis ESPI fringe patterns and ESPI phase patterns is one of the major ways we obtain the information about object.
对电子散斑条纹图和相位图的处理分析是我们获取有关物体信息的主要手段之一。
This paper represented the measuring method in the laser heating experiments using electronic speckle pattern interferometer (ESPI).
本文叙述了在激光加热实验中应用电子散斑干涉术进行测量的方法。
In this paper, the phase continue scan is combined with the sinusoidal phase modulation to determine the vibration amplitude of object by time average ESPI.
利用光学连续相位扫描和正弦相位调制相结合,提出一种ESPI时间平均测振的定量分析方法。
The conference was jointly arranged by the European Science Foundation (ESF), the European Space Agency (ESA) and the European Space Policy Institute (ESPI).
这次会议由欧洲科学基金会、欧洲空间局和欧洲空间政策协会联合召开。
Electronical Speckle Pattern Interferometry (ESPI) is an advance technology with all electronic image record, reconstruction and computer-aided image process.
电子散斑干涉是一种利用全电子记录和计算机图象处理系统替代传统照相干版进行测量的先进技术。
Directivity is a very important characteristic of ESPI fringe patterns and phase patterns, and it plays a very important role in directing the filtering process.
方向性是ESPI条纹图与相位图的一个重要特征,对于指导滤波具有重要作用。
Off-plane displacement field on defects can be accurately measured by ESPI. It is fully proved by comparison between experimental results and theoretical results.
理论和实验结果对比表明,利用电子散斑干涉术技术能够精确地测量含缺陷材料表面的离面位移。
Owing to the prominent advantages, such as real-time display, high sensitivity and whole-field measure, ESPI is widely used in industrial nondestructive detection.
由于电子散斑干涉测量技术具有实时显示、灵敏度高、全场测量等优点,该技术在工业无损检测中得到广泛的应用。
Advanced a way which measuring the refractive index of transparent objects on ESPI. By experiment, get the experimental method that is feasible and reliable results.
根据电子散斑测量位移的基本原理,提出了一种测量位相物体折射率的方法。并进行了实验,通过对实验精度的分析,表明实验方法可行、结果可靠。
Then off-plane displacement field on defects under load of concentrated force was successfully measured by method of electrical speckle pattern of interferometry (ESPI).
同时运用电子散斑干涉方法成功地测量出试件缺陷覆盖层在受到集中力情况下的离面位移。
The results show that this technique is capable of significantly improving the quality of fringe patterns. It works well as a pre-processing for the fringe patterns by ESPI.
结果表明该技术能够显著改善条纹图的质量,是一种行之有效的电子散斑干涉条纹图的预处理方法。
The double-field-of-view ESPI system has been presented in this paper and employed to measure the macro-scale and micro-scale deformations of the tested object simultaneously.
本文应用双视场电子散斑干涉技术,实现了对被测对象表面的全场变形和局部微观场变形的同时实时检测。
Traditional speckle fringe patterns by electronic speckle pattern interferometry (ESPI) are inherently noisy and of limited visibility, so denoising is the key problem in ESPI.
原始的电子散斑干涉条纹图中含有很强的颗粒性噪声,对比度很差,因此去除噪声是电子散斑干涉测量技术的关键问题。
ESPI can measure the object, through forming a carrier pattern on the object surface (carrier pattern modulation), analyze the relation between displacement field and altitude of the object surface.
电子散斑干涉测量技术通过在被测物体表面产生干涉条纹(载频调制条纹),分析位移场与物面高度之间的关系,可测量物面的形貌。
ESPI can measure the object, through forming a carrier pattern on the object surface (carrier pattern modulation), analyze the relation between displacement field and altitude of the object surface.
电子散斑干涉测量技术通过在被测物体表面产生干涉条纹(载频调制条纹),分析位移场与物面高度之间的关系,可测量物面的形貌。
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