Then the speckle field model was put forward for dynamic light scattering field.
提出了动态光散射场的散斑场模型。
Statistical characteristics of double scattering speckle field in longitudinal motion is studied in detail.
研究了慢纵向运动双散射散斑场的统计性质。
The experimental result indicated that it is still satisfying to obtain the light field with this method even if the speckle noise is very heavy.
实验结果表明，即使在散斑噪声很大的情况下用该方法得到的光场依然是令人满意的。
The method of speckle photo is used to measure experimentally the displacement field of the viscoelastic model.
采用散斑照相的方法，对带有圆孔的粘弹性位移场进行了试验测定。
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。
It also fits for dynamic displacement measurement when a high-speed image card was used. This technology expands digital speckle correlation method's application field.
使用高速图像采集卡，该方法可应用于斜光轴动态位移测量，拓展了数字散斑相关方法的应用范围。
The average speckle area in dynamic light scattering field was calculated.
讨论了动态光散射场中的散斑平均面积。
In this paper, the intensity distribution of interference field of holo-speckle interferometry is derived when the error of system geometry exists.
本文导出了存在系统几何偏差时全息一散斑干涉术中干涉场的强度分布。
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。
Digital speckle measurement is a kind of non-contact and full-field optical measurement method.
数字散斑测量是一种非接触、全场测量的高精度光测方法。
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。
It is expected that the comprehensive application of holographic and speckle interferometry to the measurement of a 3-d displacement field would be an effective method for solving practical problems.
可以设想，全息干涉法和散斑干涉法的综合应用将是测量物体三维位移场和解决实际问题的一种行之有效的方法。
The invention relates to a method for reducing the laser speckle effect, which belongs to the laser field and especially belongs to the laser display field.
本发明的一种减少激光散斑效应的方法是涉及激光领域，尤其涉及激光显示领域。
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。
The photoelastic method and the speckle technique are sued for measuring the stress and displacement field respectively.
分别用光弹法及散斑法测出试件的应力场及位移场。
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。
Integrating the statistical characteristics of speckle noise in SAR images with wavelet-domain Markov random field (MRF) structure of images, a new wavelet-domain spec.
基于图像在小波域的马尔可夫随机场模型(MRF)结构，结合SAR图像中相干斑噪声的统计特性，本文提出了一种新的小波域相干斑抑制方法。
The basic principle of the whole-field analysis of the speckle patterns using a white light source is presented in this paper.
本文叙述了白光源对散斑图进行全场分析的基本原理。提出了对全场等值线位移计算公式。
The invention can be applied in the technical field of laser display and laser speckle reduction.
本发明可用在激光显示及其他减少激光散斑技术领域中。
In order to acquire the special character of laser speckle reflected by special material surface, a measurement system simulating far-field is established in the laboratory.
为了获取特种材料表面特有的激光散斑特征，建立了一套实验室内模拟远场测量系统。
In order to acquire the special character of laser speckle reflected by special material surface, a measurement system simulating far-field is established in the laboratory.
为了获取特种材料表面特有的激光散斑特征，建立了一套实验室内模拟远场测量系统。
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