本发明公开了一种数字干涉条纹分析方法及光学元件面形检测装置。
The invention discloses a method for analyzing digital interference fringe and a device for detecting optical component surface shape.
位相展开问题是所有基于条纹分析的光学测量技术都难以避免的问题。
The difficulty of phase unwrapping cannot be avoided in optical measurement based on fringe analysis.
本文提出一种无需滤波处理的调频条纹分析算法,该算法与傅里叶技术相比具有省时、便于进行快速、实时位相测量等优点。
A new algorithm of analysing FM (frequency modulation) interferogram is described. Compared with the Fourier method, it is time saving and suitable for real-time calculation.
通过分析每个条纹升降的方式,系统软件在不到一秒的时间里就可构造出手指表面的三维模型,保证每个峰谷都处在各自合适的位置上。
By analyzing the way each line rises and falls, the software builds a 3-d model of the surface of the finger in less than a second, with each ridge and valley in its proper place.
关于这项研究,研究人员对非洲16个地区的平原斑马条纹变化进行了分析。
For the study, the researchers analyzed variations in the stripes seen in plains zebras at 16 sites in Africa.
将条纹频率分析的相位展开方法应用于我们给出的干涉图模型,得到了很好的相位展开结果。
Phase unwrapping algorithm based on the fringe frequency analysis is applied to the interference pattern simulation model. We obtain the good result.
文章重点分析干涉条纹的快速调整方法与标准平晶平面度的正确引用方法。
Quick adjusting method of interference fringes and correct quotation method of standard optical flat flatness are analyzed.
利用光的干涉结果,分析了普通光源在薄膜干涉中对干涉条纹的影响和对薄膜厚度的限制。
Using light interference characteristics to analyze the effects of ordinary light thin film interference on the interference fringes and on the limitation of thin film thickness.
此外,还结合实验图像详细分析了数字剪切散斑干涉条纹的物理意义。
Furthermore, it integrates experimental images and particularly analyzes the physical meaning of digital shearography interferometric stripes.
通过对平行激光在光学劈尖上产生等厚干涉条纹的分析,提出了一种新的激光方位探测方案。
Based on the analysis of interference stripes of equal thickness generated by the parallel laser on optical wedge, a new scheme for laser orientation detection system is presented.
条纹灰度法在光弹性中能自动采集数据、分析和显示等色线条纹图。
A fringe gray level method can be used to automate the data collection, analysis and display of isochromatic-fringe pattern in photoelasticity.
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。
Analysis ESPI fringe patterns and ESPI phase patterns is one of the major ways we obtain the information about object.
首先对模糊图像的频谱图出现平行暗条纹的原因进行分析。
Firstly, the reason for the occurrence of the black strips in the spectrum image of motion-blur image was analyzed.
本文详细介绍了依据条纹反射术测量镜面、类镜面的原理和方法,分析了经由梯度数据重建三维面形的主要算法和关键问题。
The measurement principle for specular and mirror-like surface was discussed and the main algorithms and key points for shape reconstruction via gradient data were analyzed in general.
提出了一种基于条纹调制度分析的位相去包裹新算法。
A novel phase unwrapping algorithm, based on intensity modulation analysis and adaptive threshold is presented.
条纹频率分析产生可靠性模板,基于该模板的排序算法将误差范围控制在局部最小的区域。
Reliability mask is produced by the analysis of fringe frequency. Then the error is limited to local minimum areas by using the ordering algorithm based on the reliability mask makes.
介绍一种新的莫尔条纹细分方法,详细分析了这种方法的工作原理及特点。
This paper introduces a new fine divided method of Moire stripe, analyzes the principle of operation and characteristics in detail.
在光弹应力分析中,利用分数级条纹可以提高分析精度,于是,产生分数级条纹的方法研究就变得非常重要。
In photoelastic stress analysis, the accuracy of analysis can be improved by using fractional isochromatic fringes, so it is very important to study the approach for producing fractional fringes.
采取正交实验手段,全面分析了噪声、条纹对比度和密度对条纹方向及间距测量精度的影响。
By means of orthogonal experiment, the effects of noise, visibility and fringe density on the measuring accuracy of fringe direction and space are analysed in detail.
本文应用干涉度量的理论,分析了相位物体漫射照明度量中的条纹定域以及折射率变化的分布,给出了几个重要结论。
On account of mire interfere technology, fixed position and refraction index vary distribution of stripe of phase object has been analyzed, and give the important conclusions.
基于直接条纹位移分析的三维测量具有简单、快速、精确的特点。
The 3-D object profilometry based on direct fringe displacement analysis is simple, fast and accurate.
本文从推广的二阶耦合波理论出发,对平条纹面光栅衍射这一物理过程进行分析。
The physical process of diffraction by planar gratings'is analysed, based on the generalized second-order coupled-wave theory.
本文用半波带法对夫琅禾费光栅衍射进行分析该方法和常用的振幅矢量法相比,分析衍射条纹的位置更要快捷,明了。
The authors show that using the half-wave strip method to deduce the bright and dark fringe conditions of Fraunhofer grating diffraction is simpler than the amplitude vector method.
分析了在洛埃镜干涉装置中等效双狭缝间距变化对干涉条纹密度的影响。
In the Loyd's mirror experiment. The change of the slit separation to effect of density of interference fringes is analyzed.
本文从理论上分析了产生干涉条纹及干涉条纹疏密粗细变化的原因。
The reason of the phenomenon and variation of the stripe in theory are analyzed.
分析了干涉条纹两路光电差分信号的有效范围,提出采用椭圆拟合对差分信号进行拟合、校正与补偿,以进一步提高系统测量精度的方法。
Effective range of detection signal is analyzed and proposes a means of ellipse fit that revises and compensates measurement result to improve measurement precision.
这一结果为进一步分析散斑干涉场条纹质量提供了依据。
This results provide the basis for analysing fringe quality of speckle interferometry.
从熔铸工艺、挤压工艺、模具、挤压设备等方面分析了6063铝合金型材在挤压过程中产生表面条纹的原因,并提出了相应的对策。
The factors including of melting-casting process, extrusion process, die, and extrusion device resulting in the surface streaks of 6063 aluminium alloy profiles were analyzed.
从熔铸工艺、挤压工艺、模具、挤压设备等方面分析了6063铝合金型材在挤压过程中产生表面条纹的原因,并提出了相应的对策。
The factors including of melting-casting process, extrusion process, die, and extrusion device resulting in the surface streaks of 6063 aluminium alloy profiles were analyzed.
应用推荐