1) generalized pupil function
广义光瞳函数
2) pupil function
光瞳函数
1.
The radial birefringent filter which consists of two parallel polarizers and a rotationally symmetric birefringent element is introduced into the superresolution technology, and with Jones calculus the pupil function of it is deduced.
把由两个偏振器和一个圆对称的双折射元件组成的径向双折射滤波器引入超分辨技术,借助琼斯算法推导出其光瞳函数的表达式。
2.
However,the classical method of the Pickering seeing scale estimation is not a perfect method for estimating the seeing when using the refract-reflection telescope with the second mirror,because the effect of the pupil function of the telescope is ignored in this method.
使用望远镜目视星像评估视宁度时,常用Pickering视宁度等级(Pickering Seeing Scale)判定法,但这个等级并未仔细考虑望远镜的光瞳函数对衍射环的影响。
3) generalized function
广义函数
1.
The duality property of several kinds of generalized functions;
几种类型广义函数的对偶性
2.
This article using AHP to determine the weighting of index,using generalized function to nondimensionalize the value of index,then calcalute the systematic evaluation index.
采用层次分析法确定准则层和各单项指标的权重,通过广义函数法对各评价指标进行无量纲化来确定单个指标的评价值,最后根据各指标的评价值及其权重确定城市交通适应性评价值。
3.
First, by comparing with the definition of ordinary function, the definition of the general function and the equality of two generalized functions are introduced.
冲激(偶)函数类性质历来是《信号与系统》教学中的难点,也是学生不易理解的内容,为此,教学策略采用"三步走"的方法:首先与普通函数定义方法相比较引出广义函数定义和"两广义函数相等"的概念,继而用高等数学的微积分知识证明冲激(偶)函数类的"抽样"性质,最后以前两者为基础证明冲激偶函数的"筛选"性质。
4) generalized functions
广义函数
1.
The theoretical proof is based on the theory of Schwartz generalized functions.
该文给出了修正的Morley方程在坐标原点具有奇性的基本解的一种构造方法,以及基于Schwartz广义函数理论的证明。
2.
Utilizing perturbation method, stochastic equations are changed to be a series of deterministic equations, In the meantime stochastic boundary conditions become deterministic boundary conditions considering characters of generalized functions.
通过摄动法 ,将随机方程化为一系列确定的方程 ,并同时利用广义函数的性质 ,变相应的随机边界条件为确定的边界条件 ,用确定的有限元离散方法 ,推导了考虑边界形状不确定的结构振动统计特征值的近似表
3.
On the basis of the classical valuation method of generalized functions, the set value of a generalized function has been defined by the equivalent value mode and the uniform convergence method.
在广义函数的经典赋值方法的基础上利用等价方式及一致收敛方法定义了一种广义函数的集
5) distribution
[英][,dɪstrɪ'bju:ʃn] [美]['dɪstrə'bjuʃən]
广义函数
1.
Pan-Linear Distributions and Its Differentiation;
泛线性广义函数及其微分
2.
In this paper,we present first a class of distributions multiobjective programming model (short for DMPM) which is in prospect of applying.
提出一种具有应用前景的广义函数多目标规划模型。
3.
For the purpose of expanding use scope of wavelet transform, this paper discusses wavelets transform under the framework of distribution and gives some conclutions of wavelets transform in S space.
本文将L2空间的小波变换推广到广义函数空间上,建立了广义函数框架下的小波变换,证明了广义函数的小波变换及其有关性质,使小波变换这一信号分析的数学工具有了更大的应用范围。
6) distribution function
广义函数
1.
For iviting and requesting from the chief editor of this journal, this paper is written for replying to some readers challenge on those papers published on this journal in the past, and their contents are about the issue of distribution function δ(x).
本文应《电气电子教学学报》之邀约而写 ,旨在针对一些读者对该刊过去刊出的有关广义函数δ(x)的文章中的质疑 ,从数学角度提供一些有助于正确认识、处理和运用广义函数的辅助材
补充资料：光瞳光度计
一种测量底片上天体光度的仪器，用来确定恒星的星等。现代快速天文底片颗粒较粗，使星像、边界模糊，从而造成星像直径与星等的关系不明确，不能用来精确测定星等。为了可靠地确定恒星星等，设计了光瞳光度计，附图示出其中一种结构：均匀照亮的可变光阑（光瞳）成像在底片上,移动底片,使光瞳像对准待测星像，透过的光束射往光电倍增管。从照明光源分出一束光作为基准，利用开有圆弧槽的旋转调制盘，使基准光和测量光轮流进入光电倍增管。改变光阑孔径，直到输出光电流中的交变成分消失，两束光便达到平衡，记下光阑孔径的读数，利用已精确测定星等的标准星所制定的定标曲线，便可将读数转换成星等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条