The influence of high-energy X-ray flash radiography surroundings and capability parameters of CCD instruments to the MTF of CCD was simulated.
模拟了高能X光闪光照相环境及CCD器件性能参数对CCD的MTF的影响。
Thus,the GV regularized algorithm is an efficient image reconstruction algorithm for flash radiography with better performance of noise smoothing and edge preserving.
针对闪光照相图像信噪比低的特点,提出了一种基于广义变分正则化的图像重建算法,该方法采用p-范数取代目前广泛采用的全变分范数作为正则项,构造了用于图像重建的展平泛函,将图像重建问题转化为目标泛函最优化问题,采用固定点迭代法求解图像重建的最优解。
In order to improve CCD images received from the flash X-ray radiography,a new method called intelligent median-nonlinear diffusion filtering(IMNDF) were proposed based on nonlinear Partial Differential Equation(PDE).
对闪光照相CCD图像取得了很好的消噪声结果。
Z-pinch and flash X-ray radiography have an important application in inertial confine fusion(ICF)and nuclear radiation effects simulation and high performance hydrodynamic test,etc.
Z箍缩和闪光照相在惯性约束聚变(ICF)、核辐射效应和高性能爆轰流体动力学等研究中具有重要应用,Z箍缩ICF和多脉冲多角度高能脉冲X射线闪光照相对脉冲功率源提出了巨大挑战,国际上正在积极发展和探索可实现直接驱动Z箍缩和闪光照相二极管的快脉冲功率源新技术。
Application of LTD in such fields as Z-pinch and flash X-ray radiography are reviewed.
概述了近年来国际上快脉冲LTD技术的研究现状,介绍了快脉冲LTD在Z箍缩和闪光照相两个应用领域的发展,重点介绍了具有代表性的装置的概念设计及研究进展;对快脉冲LTD技术所涉及的开关、触发系统等关键技术进行评述,并在此基础上提出了进行快脉冲LTD技术研究需关注的重点问题及研究途径。
long distance infrared flash camera
远距红外闪光照相机
A NEW EDGE DETECTION METHOD FOR FLASH RADIOGRAPHIC IMAGE
一种新的闪光照相图象边界检测方法
Investigation on Radiographic Image Reconstruction Based on CCG;
基于CCG的闪光照相图像重建研究
Adaptive reconstruction of flash radiographic image
基于自适应准则的闪光照相图像重建
Study on PDE Based Denoising Methods for Flash X-ray Radiographic Image;
基于PDE的闪光照相图像消噪声方法研究
Generalized variation-based regularization algorithm for image reconstruction in high energy X-ray radiography
基于广义变分正则化的闪光照相图像重建算法
An improved edge detection method with Sobel operator in high-energy flash X-ray radiography
高能闪光照相中Sobel算子的边缘检测方法
135 camera with a built-in flash unit
内装闪光灯的135照相机
Determination of flash guide numbers for electronic photoflash equipment
GB/T13987-1992照相用电子闪光装置闪光指数的确定
Lighting levels should be sufficient for taking photos if you don't have a flash.
没有闪光灯的话，照相时光线要充足。
Moonlight sparkled the water.
月光照得水面闪闪发光。
There's a build in flash gun in this camera.
这架照相机有一个内藏闪光灯。
This camera has electronicflash.
这架照相机附有电子闪光灯。
magnesium foil, put up as photographic flashlight material
镁箔,配制成照相闪光灯材料
The cameras whirred and the flashbulbs popped.
（照相机飕飕响，闪光灯呼呼叫。
cable for photographic flashlight apparatus
照相机闪光灯装置用导线
Specifications of electronic flash equipments for photograph
GB/T10072-1988照相用电子闪光装置技术条件
The photographer used his flashlight to take pictures of the graduation.
摄影师用闪光灯照毕业相。
