We can consider that ultrasound image consists of lots of speckle pattern.
超声图像即可以看作是由若干散斑模式组成。
Noise reduction is one of the most exciting problems in electronic speckle pattern interferometry.
去除噪声是电子散斑干涉测量技术的研究热点之一。
Digital speckle pattern interferometry (DSPI) is non-contact, full-field optical measuring technique.
数字散斑干涉技术是一种非接触、全场测试的光学测试方法。
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。
A optical fiber is used to reduce the influence of the optical system and improve the quality of speckle pattern.
采用光纤导光，减少光学系统影响，提高了散斑图质量。
Electronic speckle pattern interferometry principle and phase measurement technology in the speckle interferes is introduced2.
系统介绍了电子散斑干涉的原理及散斑干涉中的位相测量技术。
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。
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。
This technic has been used in the instrument of IC wafer Stress Analyzer and Shear Electronic Speckle Pattern Interferometry (SESPI).
最后将错位相移器应用于集成电路硅片薄膜应力分布测试仪及错位电子散斑干涉仪之中。
The principle and structure of laser shearography and electronic speckle interferometry were introduced. Speckle pattern was disposed and analysed.
介绍了研制的激光电子剪切散斑干涉成像系统的原理及结构组成，对散斑图像进行了图像处理分析。
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。
A multi-mode optical fiber sensor system is proposed, which is installed in the window frame and whose sensor signals are based on variation of a speckle pattern.
提出一种车窗防夹的多模光纤传感系统，该系统安装在车窗框内，并基于斑纹图样的变化来获得信号。
In this paper, the method of measuring the in-plane displacement field under an impact loading is proposed and is named dynamic digital speckle pattern interferometry.
利用数字散斑干涉法，研究了半无限平面模型在受冲击载荷下的面内位移场的测试技术。
In dynamic measurement field, when using digital speckle pattern interferometry, we always deal phase with time-average method and spatial carrier phase-shifting method.
在动态测试领域中，数字散斑干涉技术常用到的相位处理方法有时间平均法和空间载波相移法。
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。
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。
In this article we consider the statistical properties of the superposition of a partially polarized speckle pattern and a coherent background in an arbitrary polarization state.
本文讨论了部分偏振的斑纹图样与一个处在任意偏振态的均匀背景相干迭加的统计性质。
In this paper, a simple method for estimating fringe orientation is presented, and a method of picking up the fringe skeletons of speckle pattern from fringe orientation is discussed.
本文提出了一种计算条纹方向的简单算法，以及通过条纹方向图提取散斑条纹中心线的方法。
A statistical noise model and a mathematical model for real speckle pattern are presented, and then, in view of the models, a new adaptive suboptimal image filtering approach is proposed.
本文介绍了一种实际散斑模式的数学模型和噪声统计模型，并提出了一种针对这种模型的自适应次优滤波方法。
DSCM method based on the natural speckle pattern is studied. Some rock material experiments are completed and the results of experiments prove the feasibility and advantage of the method.
基于这种天然散斑场的变形观测方法，进行了岩石材料变形的观测实验，验证了方法的可行性和优越性。
A new type of multi - wavelength digital speckle pattern interferometry is studied, and the possibility of analyzing complex surface geometry by using such a technique is also demonstrated.
研究了一种新的多波长数字散斑干涉技术，并证明了这种技术应用于分析复杂几何形貌表面的可能性。
This is because, during the original scan, the detectors pick up such a large amount of information that a re-scan need provide only part of the speckle pattern for a reliable comparison to be made.
这是因为在原始扫描期间，探测器采集了大量信息以致于再次扫描时仅需提供部分散斑样式即可进行可靠的对比。
The second problem, though, is that laser light can “speckle”, which is to say that when it scatters off a rough surface, a random shimmering and sparkling pattern is produced.
第二个问题就是激光光源会产生“光斑”，也就是说激光会在一个不均匀的表面发生散射，产生随机明暗斑点。
The second problem, though, is that laser light can "speckle", which is to say that when it scatters off a rough surface, a random shimmering and sparkling pattern is produced.
第二个问题就是激光光源会产生“光斑”，也就是说激光会在一个不均匀的表面发生散射，产生随机明暗斑点。
When what purports to be the same item is re-scanned at some later date, it should show the same pattern of speckle.
经过一段时间后，对看来是同样的一件商品进行重新扫描，产生的激光散斑样式应该相同。
The noise sources and model in speckle photography fringe pattern is discussed and a noise filter for this model is designed.
本文讨论了散斑摄影条纹图的噪声来源及模型，设计合适的数字滤波器。
A high quality of whole field speckle fringe pattern can be obtained and the point-by-point filtering method can also be used to analyse the deformation more accurately.
应用该技术可获得优质的全场散斑条纹图，并可用逐点滤波法进行精确定量分析。
A high quality of whole field speckle fringe pattern can be obtained and the point-by-point filtering method can also be used to analyse the deformation more accurately.
应用该技术可获得优质的全场散斑条纹图，并可用逐点滤波法进行精确定量分析。
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