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.
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.
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.
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.
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.
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.
针对条纹计数法和相位分析法处理自混合干涉信号的不足,提出了一种基于时频分析的自混合干涉信号处理方法。
To overcome the limitation of fringe counting and phase analysis, a new method based on the time-frequency analysis is proposed to process the self-mixing interference signal.
在对这种调制干涉条纹的理论研究基础上,提出了被测物体三维位移场的调制光束全息分析法。
Based on the theoretical study of formation of the modulated fringes, the holographic analytical method of 3d displacement field of the measured object is proposed.
在对这种调制干涉条纹的理论研究基础上,提出了被测物体三维位移场的调制光束全息分析法。
Based on the theoretical study of formation of the modulated fringes, the holographic analytical method of 3d displacement field of the measured object is proposed.
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