文中用莫尔条纹法测出了射流冲击场的气流密度分布。
The flow density distributions of jet flow shock field have been measured using Moire schlieren method in this paper.
虚光栅移相莫尔条纹法是一种对静态干涉图的处理方法。
The virtual grating phase shifting moire fringe is a method to manipulate the static interferogram with carrier fringes.
本文综述了作者提出的免除噪声正则化条纹法的原理和多种方法。
In this paper, the noise free normalized fringe method that was proposed and developed by the author is reviewed and summarized briefly.
本文综述了作者提出的免除噪声正则化条纹法的原理和多种方法。
Noise free normalized fringe method (NFNF) that is also named pure fringe gray level method is one of the effective methods.
与数条纹法相比，重构测量法提高了测量精度，测量误差下降了1～2个数量级；
Compare with the fringe counting method, not only the accuracy has been improved but also the error declines 1~2 orders of magnitude by the reconstruction measurement method.
本文应用莫尔条纹法测出了从图形和方形喷嘴里吹出的不完全膨胀气流的密度分布。
Using the moire - schlieren method symmetric and asymmetric flow fields density distributions of underexpended free jets of air from circular and square nozzles have been measured.
介绍了用冻结条纹法、实时全息法和时间平均法对静变形、热变形、固有频率和振型进行研究。
The study of static deformation, thermally induced distortion, dynamic response of natural frequency and modal pattern has been performed by using frozen fringe, realtime and time-average holography.
为了提高用莫尔条纹法测量扭转角的测量精度，分析了光栅周期不一致对扭转角测量误差的影响。
With the aim to improve the measuring precision of a roll angle based on Moiré fringe method, the influence of inconsistent periods of two gratings on the measurement precision is analyzed.
研究了集光栅技术、莫尔技术、相移干涉术为一体的虚光栅移相莫尔条纹法测量量块的原理及关键技术。
The virtual grating phase shifting moire fringe method is studied to measure the parameters of gauge block which combines the techniques on grating, moire, and phase shifting interferometry.
在同一振动状态下，可以用重象法摄制振动物体的时间平均全息照片，从而获得三张形状完全相同而条纹分布不同的全息照片。
Three photographs, in which the shape of the image is the same, but the fringe distribution is different, can be obtained by time average holographic technology with three-images.
豪华的垃圾法龙罗位居前列，其抵消了蓝色和粉红色的水平条纹对角线晋级。
The Junk De Luxe Faron Polo stands out with its offset diagonal cut of blue and pink horizontal stripes.
杨氏双缝、菲涅耳双棱镜、双面镜以及劳埃镜等实验测定光波波长时，均是用测量干涉条纹宽度法。
The wavelengths are determined usually by measuring the widths of interference fringes in many experiments such as Young's slits, Fresnel biprism, bimirror and Lloyd's mirror etc.
基于分块法的条纹处理技术能够最大限度地保留有用信息，遏制干扰和冗余信息，有很大的可靠性。
The fringe processing method based on divided image blocks can retain useful information, remove interference and redundant information, and is of high reliability.
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.
本文提出了可进行条纹非均匀性校正的最小均方误差法(MMSE)。
We develop the minimum mean square error (MMSE) method for stripe nonuniformity correction (NUC).
与叠栅条纹在传统测量领域中的处理方法不同，提出了求叠栅条纹宽度的两种方法：拟合斜率法和距离平均法。
Different from moire fringes processing methods in traditional measurement fields, two new methods were advanced to get moire fringes width, fit-slope method and distance-mean method.
实时全息干涉法可以观察记录整个测试过程中条纹图的动态变化，传统相位提取算法只适合于静态干涉条纹图相位的提取。
Dynamic fringe pattern can be observed throughout the testing by real-time holographic interferometry, while the traditional method is only suitable for static fringe pattern in phase extracting.
精确地获得光栅条纹中心线的相对偏移量，在三角形法测量物体三维轮廓技术中占有非常重要的地位。
The sub-pixel accuracy in abstracting the fringe-centerlines can be obtained by the method of barycenter after preprocessing the fringe picture using grating projection.
提出了一种基于旋滤波法的干涉条纹预处理方法，并将其应用到载波傅里叶分析法中。
A new fringe-pattern preprocessing based on median spin filter is proposed to deal with the interferogram with high-level noise.
为使条纹处理、原理简单、速度快、抗干扰，提出了一种基于分块法的条纹处理技术。
To simplify fringe processing, enhance the processing speed and robustness, a fringe processing method based on divided image blocks is proposed.
分别采用双波长法和相移法研究了光弹性条纹的自动分析技术。
The application of two-wavelength method and phase shifting for automatic analysis of fringe patterns resulted from photoelasticity was investigated.
在光栅谱衍射干涉法的基础上，本文提出用色散效应产生的相位体微分干涉条纹，进行实时假彩色编码的原理。
A new principle is proposed to pseudocolor-code the differential interference in the grating-diffraction interferometry with extended white light illumination by using dispersion effect of a prism.
本文提出了该法的原理和实验证明，二次剪切法简单方便，条纹质量好，增加了从散斑图获得的信息。
We Propose the principle and experimental demonstration of the method. The method is very simple, fringe quality is fairly good and the information extracted from a specklegram is increased.
目前，相移法、傅立叶变换法和条纹骨架法是三种主要的提取相位的方法。
At present, phase shifting method, Fourier transform method and fringe skeleton method are three most important fringe analysis methods.
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.
本文提出一种抗光源波动和外界干扰的条纹计数法光纤干涉型液位传感器。
An Optical fibre interference liquid level sensor with the ability of reducing the effects of light fluctuations and outside disturbances has been described.
本文给出了法珀干涉仪中央条纹干涉级小数部分的误差计算。
This article gives a calculation of the errors for the fractional parts of central interference order of the Fabry-perot interferometer.
本文给出了法珀干涉仪中央条纹干涉级小数部分的误差计算。
This article gives a calculation of the errors for the fractional parts of central interference order of the Fabry-perot interferometer.
应用推荐