您要查找的是不是:
- Moire fringe grating 莫尔条纹光栅
- This paper mainly introduces a kind of means about subdivision of grating moire fringe and its device used on digital spherometer system. 数字球径仪是对传统球径仪的革命,本文主要介绍了一种莫尔条纹信号软硬件相结合的细分方法及其装置在数字球径仪的应用。
- The computer gathers the image of moire fringe by USB camera. 通过编程控制USB摄像头可采集到莫尔条纹的图像。
- This article briefly introduces the most popular system design technology:VHDL and ISP logic devices, and design a kind of high integrated grating digital readout devices on the basisi of Moire fringe divisiontheory. 方案中将当今最流行的系统设计技术VHDL和在系统可编程(ISP)逻辑器件作了简要介绍,并介绍了一种基于光栅莫尔条纹细分理论的高集成度的光栅位移变送器。
- The quality index of grating signal, especially the quality index of grating secondary moire fringe signal is analyzed. The circuit using to dynamically inspect the quality of grating signal is realized by harmonic analysis. 对光栅信号的质量指标,主要是对光栅到莫尔条纹信号质量指标进行了分析,并通过采用谐波分析法,对光栅信号质量进行动态综合检测的电路进行了实现。
- The special optics and novel configuration make a feature of double-frequen-cy function amd insensitivity of Moire fringe modulation signal to gap between the main grat-ing and index grating. 该系统具有光学两倍频作用和大光栅副间隙下使用及间隙对莫尔条纹信号调制度不敏感等特点,并且整体结构分离式、小型化和轻型化,在各类精密测量装置和精密加工仪器中将得到越来越广泛的应用。
- It is possible to smooth the impact of the grating signal subdivision circuit time-delay on the dynamic performance of CMMs when the grating measuring scale with the measuring precision of nanometer is studied based on two times Moire fringe principle. 基于二次莫尔条纹原理探讨了纳米测量精度光栅测量标尺,将有可能改善目前光栅信号细分电路延时对测量机动态性能的影响。
- Based on the lateral Moire fringe of the gratings, the change of Moire fringe was researched by using Fourier spectrum while the frequency of a grating was changed. 用傅里叶频谱分析方法研究了横向莫尔条纹中一个光栅倍频时莫尔条纹的变化 .
- The virtual grating phase shifting moire fringe is a method to manipulate the static interferogram with carrier fringes. 虚光栅移相莫尔条纹法是一种对静态干涉图的处理方法。
- Phenomenon of Moire fringe is explain by ordinal number equation and diffraction theory respectively. 对莫尔条纹现象,分别用序数方程原理与衍射干涉原理解释粗光栅、细光栅的莫尔条纹现象。
- Virtual grating moire fringe method 虚光栅叠栅条纹法
- The difference and similarity between shadow moire fringe and Newtonian circlet are discussed from basic principles. 从基本原理上讨论了一种新型的实验力学研究方法面外云纹与牛顿环的联系与区别。
- The result is that moire fringe is unlike Newtonian circlet in many respects,particularly in essence. 从而阐明,面外云纹是由于影像干涉形成的,牛顿环的形成是属于相干光的定域干涉,它们具有本质上的不同。
- We replaced Talbot image of a grating by interference fringes,its advantage is the Moire fringes contrast is better. 本文介绍用干涉条纹的重迭与否测量晶体双折射。
- The design principle for simulating moire fringe in Authorware and Flash is presented, and detailed method of approach is also given. 阐述了在Authonware和Flash中模拟莫尔条纹的设计原理,并给出了具体实现方法。
- In the measurements,the focal lengths of positive and negative lens are determined by the tilt angle, of the Moire fringe. 在测量中,根据莫尔条纹的斜角确定正、负透镜的焦距。
- In this paper a method of the three-dimensional object recognition with rotation-invariant based on moire fringe is proposed. 本文提出一种基于莫尔条纹的三维物体旋转不变识别方法。
- In this paper, an experiment of test scale of straightedge is introduced by theprinciple of the Moire fringe shift amplifier. 本文介绍利用莫阿条纹位移放大器原理检验直尺刻度实验.
- Non-diffracting beams and Moire fringe technology is able to work in short,middle and long distance with high measuring resolution. 由于无衍射光莫尔条纹技术具有高的对心分辨精度和适用于长、短距离测量的特点,在此技术的基础上研制了激光准直跟踪和定位测量系统。
- Yuan Xiaobin,Li Huaiqiong.Digital Subdividing Technique for Grating MOIR Fringes and Its Error Analysis[J].North Western Optical Instrument Plant,2001,21(1):113-115. [5]袁小滨;李怀琼.;光栅莫尔条纹数字细分技术及其误差分析[J]
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries