光电显微仪成像质量评价各项指标中系统成像分辨率仍然是重要指标之一。
Image resolution is one of importance parameters on image quality evaluation in Optoelectronic microscope system.
为满足国内掠入射X射线成像望远镜的工程研究需求,本文深入研究X射线掠入射望远镜成像质量评价方法。
To satisfy the engineering requirement of X-ray grazing incidence telescope research and development, this paper studies image quality evaluation methods of X-ray grazing incidence telescope.
在临床上研究不同的MRI扫描技术时,必须要用信噪比这个参数来对图像的成像质量进行评价。
During the clinical study of different scanning MRI techniques, it is necessary to evaluate the image quality by measuring the signal noise ratio.
以点列图能量集中度和能量重心偏评价光学系统的成像质量。
Evaluating image quality of the system with the method of spot diagram energy concentration and deviation of energy centre.
本论文所完成的工作就是对全景成像镜头的成像质量进行评价。
The thesis complete the evaluating of the image quality of the Panoramic Annular lens.
目的通过对平板探测器DSA系统与传统DSA系统冠状动脉造影图像质量进行比较和分析,评价平板dsa系统成像质量和临床应用。
Objective to evaluate the imaging quality and utility of flat panel detector DSA through comparing and analysing the image of coronary arteriography in traditional DSA and flat panel DSA.
为了方便地计算三维噪声,提出了一种新的三维噪声计算方法,该方法对离散型微光成像系统三维噪声测量和质量评价具有十分重要的实用价值。
A new method was advanced for calculating 3-d noise expediently. The method has the practical merit for 3-d noise measurement and quality evaluation of discrete low-light-level imaging system.
通过分析点扩散函数、斯特列比和离焦量的关系来评价三种不同掩模板对光学系统成像质量的影响。
Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.
本论文以傅立叶光学为依据,详细讨论了一种利用CMOS成像对镜头成像质量进行快速评价的系统。
In this paper a system using CMOS imaging technique is proposed to evaluate quickly the imaging quality of lens on the basis of Fourier Optics.
自动三色会聚的关键在于设计一个对成像质量进行正确评价的评价函数。
The key to the automatic focusing and alignment is to design an adequate evaluation function to judge the quality of the projected image.
设计评价结果表明,该系统的光学性能和成像质量均满足设计指标要求。
The design and assessment results indicate that the optical performance and image quality of the system can meet the design specification.
目的比较最大强度投影(mip)和表面遮盖显示(SSD)两种三维螺旋CT门静脉成像(3d - SCTP)重建方法的成像质量,初步评价3d - SCTP对肝硬化门静脉高压患者的临床应用价值。
Objective to compare the image quality of three-dimensional spiral ct portography (3d-sctp) produced by SSD with that by MIP and to make preliminary evaluation for its clinical application.
目的评价患者的心率对64层螺旋ct冠状动脉成像时图像质量的影响。
Objective to evaluate the influence of heart rate on the image quality of coronary angiography by 64-slice computed tomography (MSCT).
目的评价双螺旋CT血管造影(SCTA)不同扫描层厚和螺距对门静脉成像质量的影响。
Objective To optimize parameters with double spiral computed tomographic angiography(SCTA) for visualization of portal veins.
调制传递函数是评价光学成像系统成像质量的重要方法,因而测量光学系统的调制传递函数在各种成像光学系统生产实践中具有相当重要的作用。
Modulation transfer function is a common method for evaluating the performance of optical imaging system. The measurement of MTF is very important in production and testing.
最后给出的是试验步骤和最终结果,我们初步得到了评价天文光学望远镜成像质量的综合指标。
Finally given are our detailed work results. We get the FWHM and EE of the Yunnan Observatory 1m optical telescope.
最后给出的是试验步骤和最终结果,我们初步得到了评价天文光学望远镜成像质量的综合指标。
Finally given are our detailed work results. We get the FWHM and EE of the Yunnan Observatory 1m optical telescope.
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