point spread发音

意思翻译

分差；让分

相似词语短语

cover point spread───覆盖点扩展

spread───vt.传播，散布；展开；伸展；铺开；n.传播；伸展；vi.传播；伸展；adj.伸展的

spread operator───扩散算子

spread knowledge───传播知识

spread over───分散，传开；传遍，延续；遍布于…

spread down───延伸；蔓延

spread collar───展开领

spread into───蔓延到……；传播到……

spread out───展开；铺开；伸张；伸展，延长; 分散; 铺设; 衍

双语使用场景

The point spread function consists of prime point spread function and scatter point spread function.───其点扩展函数分为一次射线点扩展函数和散射点扩展函数两部分。

point spread function, which was necessary for the deconvolution, was obtained in our experimental measurement.───实验测量得到了解卷积所必需的点扩展函数。

That's an increase from the 0.48 percentage point spread on January 4.───这是继1月4日的0.48个百分点之上的进一步扩大。

Mind not to the point spread, penetrate into the sky, the sk. . .───思绪不着边际四处蔓延，渗透到苍穹，天空中飞舞的是一片片绪言。

Finally, the question of the point-spread function's unknown parameter solver is settled by using the precision rule and the max-track way.───采用清晰度准则及最大值跟踪法解决点扩散函数的未知参数求解问题。

Point Spread Function( PSF ) estimation, an essential part for image restoration, has no accurate estimation algorithm at present.───点扩展函数估计是图像复原的重要内容，目前还没有精确估计的算法。

Blind image restoration is to recover the original image form the observed degraded image with unknown the Point Spread Function (PSF).───盲图像恢复就是在点扩散函数未知情况下从降质观测图像恢复出原图像。

The point spread functions under various ellipticity errors and their effects on a round object's reconstruction are obtained.───得到了不同椭圆度偏差下系统传递函数的变化，及其对圆形物成像重建的影响。

The key problem in image restoration is to get the point spread function of motion-blurred images and the knowledge about noise.───由运动模糊图像复原出原图像关键问题是获取点扩展函数和噪声信息，其中噪声通常假设为高斯白噪声。

英语使用场景

Fluorescence power transfer function, three dimensional point spread function (3D PSF) and three dimensional optical transfer function (3D OTF) for the various fluorescent wavelength are calculated.

Through exploration of the point spread function of the blur of uniform linear motion, a novel method based on frequency-domain algorithm for identification of motion-blur direction was presented.

The imaging equations are derived based on point spread function, the influence of detector on resolution is simulated, and the optimum pinhole radius is proposed.

For infrared optical systems a point spread function is calculated in terms of the spot diagram obtained through geometrical ray trace or the theory of Kirchhoff diffraction.

Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.

Based on Fourier optical theory, PSF(Point Spread Function)and OTF(Optical Transfer Function)are introduced. Then the mechanism why digital image is focused in optics imaging system is also analyzed.

A new method is proposed for estimating the PSF(point spread function) values of turbulence from turbulence degraded images.

When point spread function(PSF)is not known or only partially determined, restoration of the degraded images is called blind image restoration (BIR).

This paper used Gaussian function as point spread function, applying in inverse filtering algorithm and Wiener filtering algorithm and improving them.