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。
Only blind image restoration algorithms can be used in space solar telescope(SST) image processing when the point-spread function is unknown.
图像恢复是太空太阳望远镜（SST）图像处理的重要组成部分，当点扩散函数未知时只能进行盲恢复。
Under the assumption of spatially-incoherent ambient noise, an analytical expression for the point-spread function of the imaging algorithm is derived.
在空间域不相干环境背景噪声的假设前提下推导出成像算法的点-扩展函数。
The point-spread function (PSF) characterizes the resolution of the image, which is a function of the receiving array length and the ambient bandwidth.
点-扩展函数表征成像的分辨率，即接收排列长度和环境带宽的函数。
There exist three sampling methods according to the sampling objects: the transfer function sampling, the point-spread function sampling and the weighting function sampling.
理论分析表明，按照抽样对象的不同，存在三种适用范围不同的算法：传递函数抽样法、点扩展函数抽样法和加权函数抽样法。
The primary difficulty with blind image restoration is insufficient information. This calls for proper incorporation of apriori knowledge about the image and the point-spread function(PSF).
盲图像恢复的主要困难是信息不足，而为了恢复图像和确定点扩散函数需要适当的先验知识。
There are even a lot of "Buggy Friendly Walks", which spread out from a central starting point, and are suitable for people using wheel chairs.
甚至有很多“童车友好型漫步”，从一个中心起点展开，适合使用轮椅的人。
They turn around and spread their arms to point to emergency exits.
他们还在舞蹈中统一转身，指向飞机上几个紧急出口的位置。
In an ideal situation, the majority of our data would be located around a central point, with little spread of data from this central point.
在理想的条件下，大部分的数据都位于中央位置处，少量的数据不在这个中心点附近。
The 10-year Irish bond yield pared a two-day surge of more than 1 percentage point, and the spread over German debt of similar maturity fell from yesterday's record.
爱尔兰10年期国债收益率回吐了两天来超过1%的涨幅，引发德国10年期国债收益率昨天创下新低。
The solution proposed here identifies important parameters with which to characterize the point spread function (PSF) of the blur, given only the blurred image itself.
这里提出的方法是仅根据模糊图像本身，求出确定系统点扩散函数（PSF）的重要参数-模糊距离。
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。
The new five-year bonds will pay a coupon of 6.2%, a 3.5 percentage-point spread over the “mid-swaps” rate, a yardstick for creditworthy borrowers of EUROs.
新五年期债券给出了6.2%的年息，高出掉期利率中间价(欧元贷款者信用可靠的标准利率)3.5个百分点。
Description of satellite form effect with point spread function of satellite can calculate satellite reflected pulse intensity distribution in a simplified method.
用卫星的点扩展函数描述卫星形状效应，能非常简便地计算出被卫星反射后的脉冲强度分布。
Considering diffraction effect based on scalar theory, we deduced a formula for point spread function of the coded aperture and discussed the ring coded aperture in detail.
基于标量衍射理论，考虑衍射效应的条件下，从理论上推导了编码孔径点扩散函数的公式，并对环形编码孔径进行了详细的讨论。
Based on physical optics theorem, point spread function (PSF) is calculated.
根据物理光学理论，计算了光学点扩散函数(PSF)。
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.
对红外光学系统，用几何光线追迹得到点列图或用基尔霍夫衍射理论计算得到点扩散函数。
A rapid and accurate model used to study microscopic imaging through turbid medium is presented which combines traditional Monte Carlo with two dimensional point spread function (PSF).
将二维点扩散函数(PSF)和蒙特卡罗方法相结合，引入了一种研究混浊介质显微成像的快速仿真模型。
The experimental results show that the regularization algorithm of the restoration of bar code signal can restrain the noise effectively when it is eliminating the effect of the point spread function.
实验结果表明，正则化条码信号复原算法在消除系统点扩散函数的影响的同时能够很好地抑制噪声。
Especially in the rural market, the majority of the geographical dispersion of the population, the need to take a few very good point spread.
尤其是农村市场，地域广大人口分散，就更需要很好的把握几个传播交点。
The most complete measures of image quality for an optical system were its point spread function (PSF) and its optical transfer function (OTF).
全面测量光学系统像质的是它的点扩散函数(PSF)或光学传递函数(otf)。
Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.
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。
A new method is proposed for estimating the PSF (point spread function) values of turbulence from turbulence degraded images.
提出了一种直接从湍流退化图像中估计湍流点扩展函数值的方法。
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.
基于点扩展函数，推导出共焦系统的成像公式，模拟了探测器尺寸对分辨率的影响，并提出最佳针孔半径。
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。
In chapter 2, the characteristics of point spread function near the focus are analyzed in detail based on the theory of superresolution.
第二章是光学超分辨理论基础，对焦点附近点扩散函数的性质进行了详尽分析。
Based on the theories of non-diffracting imaging system in coherent light, the measurement system of point spread function (PSF) of non-diffracting imaging system has been presented.
在分析相干光照明下无衍射成像系统理论的基础上，设计了无衍射光成像系统的点扩散函数的测量系统。
The point spread function, which was necessary for the deconvolution, was obtained in our experimental measurement.
通过实验测量得到了解卷积所必需的点扩展函数。
It shows that the image restoration using the generalized point spread function is much better than that using the traditional one.
实验结果表明，采用广义点扩展函数恢复三维图像，比采用传统点扩展函数恢复三维图像能获得更好的效果。
It shows that the image restoration using the generalized point spread function is much better than that using the traditional one.
实验结果表明，采用广义点扩展函数恢复三维图像，比采用传统点扩展函数恢复三维图像能获得更好的效果。
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