您要查找的是不是：
- Based on the conventional digital photoelastic method, this dissertation developed a digital dynamic photoelastic system to record the dynamic photoelastic fringe patterns. 本文是以数位光弹法为基础，架设一套数位动态光弹系统来拍摄动态光弹条纹。
- photoelastic fringe pattern 光弹性条纹图,光弹性条纹图样
- When holographic interferometry is applied to photoelastic testing of experimental stress analysis, a complex stress fringe pattern can be obtained by unpolarized or circularly polarized light. 全息干涉法应用于实验应力分析的光弹性试验时,当用非线偏振光或用园偏振光时,能得到一幅复杂的应力条纹图,它是表征主应力和的等和条纹族和表征主应力差条纹族的组合。
- Based on the modulation ordering, a novel phase unwrapping algorithm for measurement of photoelastic fringe orders in the whole field of a model is put forward. 根据调制度排序,提出了一个新的用于模型全场光弹条纹级次测量的位相展开方法,并进行了实验验证。
- 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。
- Four images of the projected fringe patterns with phase shift at 90-degree interval for a cycle are taken from the CCD camera. 接著以CCD相机撷取四张投射光学条纹影像，此四张影像在一个周期中的相位移角间距各为90度。
- When excimer laser irradiate phase masks, the periodic fringe patterns are formed in near-field, exposing fiber to it, in core gratings can be induced. 准分子激光照射相位掩模后，在近场形成周期的条纹分布，利用近场光强对光敏光纤进行曝光，可以在纤芯中写人光栅。
- Each man took turns slowly pushing the stone, while continuously observing the fringe pattern. 每人轮流缓慢地推动石头座使其旋转，同时连续地观察条纹图样。
- 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。
- In classical photo-elastic analysis, the fringe patterns resulted from photoelasticity were drawn by man, the stress was calculated point by point, so analysis course was complex. 传统光弹性分析需手工描绘条纹，并逐点求得应力，分析过程较为繁琐。
- The accurate center location of fringe pattern is vital to measurement accuracy of interferometric method. 摘要 干涉条纹中心的定位精度对于干涉法的测量精度至关重要。
- The phase unwrapping process of fringe pattern can be achieved without any priori information or manual intervention. 该方法更充分利用条纹图像信息，算法稳健，可以实现完全自动的二维位相展开。
- New Method for Interferogram Fringe Pattern Analysis Based on Fourier Transform Meathod[J]. 引用该论文 王雨雷;吕志伟;王岩;何伟明.
- Phase Indeterminacy in Phase Analysis Methods for Spatial Carrier Fringe Pattern[J]. 引用该论文 钟金刚;张永林;李丰丽;狄红卫.
- First, the fringe pattern with sinusoidal intensity is generated by a computer program and projected onto the object surface by a LCD projector. 首先利用电脑程式产生正弦强度分布的光学条纹图案，以LCD投影机将其投射于待测物表面。
- ATOS flowing optical scanner with the fringe pattern theory is a kind of advanced and non-contacted of equipment in reverse engineering. Atos流动式光学扫描仪基于光栅原理,是逆向工程领域中一种先进的非接触式光学扫描设备。
- The arithmetic includes image preprocess(i.e. noise extraction of image)，gray image binarization and fringe pattern sharpening. 算法包括图像的预处理(即图像的噪声提取)、图像的二值化及图像的细化。
- 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 digital speckle interferometry, inhomogeneous illumination on or reflection from a tested object will lead to inhomogeneous fringe pattern, and even make the fringe missing. 在数字散斑干涉测量中,照明光的不均匀或被测试物反射光的不均匀,会导致条纹图像不均匀,严重时甚至会引起条纹的丢失。
- When Fourier transform is used to demodulate the modulated fringe pattern, the phase of deformation is calculated and furthermore the deformation is measured accurately. 利用傅里叶变换法，解调出了变形场的相位，从而实现了物体变形场的精确测量。
