Based on wavelet analysis, a kind of method is brought forward to improve the diffraction image processing precision of viscose filament diameter.
本文提出一种利用小波平滑去噪,改善粘胶长丝衍射图像处理精度的方法。
This paper gives a solution to define the diffusion state of diffraction images edge, and presents two mathematical methods to calculate inspection results.
针对衍射图像边缘弥散状态不易切准的问题，运用光电积分的方法确定采集点，然后将二值化的数据通过计算机采用最小二乘法进行计算，从而保证了测量结果的正确
The Fresnel diffraction imaging technique is used to eliminate the effect of the lateral displacement and data calculating is used to calibrate the fbrication error of the angles.
从五角棱镜的原理和特性出发，叙述了利用五角棱镜扫描建立大平面基准过程中，由于加工角差和当五角棱镜相对入射光束有相对运动时其出射光束的横移对平面基准的影响，提出了用衍射成像技术消除光束横移，数据计算修正棱镜的角度差的影响。
The diffraction aberration of focusing atom beam of metastable helium in laser standing wave is studied by using quantum mechanics.
用量子力学方法研究了一维激光驻波场对亚稳态氦原子束聚焦的衍射像差。
Diffraction Aberration of Focusing Atom Beam of Metastable Helium in Laser Standing Wave
亚稳态氦原子束在激光驻波场中聚焦的衍射像差研究
Diffraction and imaging characteristic of curved grating with gradually changing periods
渐变周期弯曲光栅的衍射和成像特性
Design of Re-imaging MIR Optical System Employing Refractive and Diffractive Optical Elements
二次成像中波红外折射衍射光学系统设计
A Sub-pixel Edge Detection Method for Non-diffraction Laser Image
一种无衍射激光图像亚像素边缘检测方法
To undergo or cause to undergo diffraction.
使衍射产生或导致衍射
Studies on some basic problems about diffraction enhanced imaging Ⅱ. Edge effect and background influence
衍射增强成像的若干基础问题研究 Ⅱ.衍射增强成像的边界效应和本底影响
Design and Applications of Large Format Laser Direct Writing System;
宽幅衍射图像激光干涉直写系统的设计及应用
A Method to Determine the Azimuth of Polarization Axes of PMF Based on the Characteristics of Backward Diffractive Patterns;
基于背向衍射图像的保偏光纤定轴技术研究
Diffraction Spatial Imaging by Using the Technology of Consecutive Variable-pitch Dot Matrix Grating;
用于衍射空间成像的连续变空频干涉光刻技术
THE ANALYSIS AND SIMULATION OF APPLICATION OF DIFFRACTIVE OPTICAL ELEMENTS IN IMAGING SPECTRUM;
衍射光学元件在成像光谱中应用的分析与模拟
The system of picture gathering and data processing in the electronics diffraction experiment;
“电子衍射”实验的图像采集和数据处理系统
Light Straight-line Propagation and Imagery Quality From Light Diffraction;
从光的衍射看光的直线传播及像质问题
Ultrasonic Diffraction Signal Analysis and Image Processing of Weld Defects
焊接缺陷的超声衍射信号分析与图像处理
Application of Diffractive Optical Elements in Modern Optical Imaging System
衍射光学元件在现代光学成像系统中的应用
Applied Research of Diffractive Optical Elements in IR Imaging Systems
衍射光学元件在红外成像光学系统中的应用
Determination of the Azimuth of Polarization Axes of PANDA Fiber Based on the Image Correlation of Backward Diffractive Pattern
熊猫光纤背向衍射图样的图像互相关定轴方法
Design and Analysis of New Diffractive Optic Imaging Spectrometer
新型衍射光学成像光谱仪的设计和分析
The effect of time-varied wave field on the diffraction tomography was analyzed.
初步分析了时变入射波场对衍射层析成像的影响。