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Let G be the domain whose inverse image is the cross section of u definedin (H1) where the mapping is affine,g and ψ are smooth functions and g>0,thenthere is a unique smooth convex-monotone function which satisfies the followingproblem 〓Furthermore,if 〓 where C is a constant,ψis an affine function,〓 is astrictly interior sub-domain of G in the sense of"parabolic distance",then

若G为按(H1)中定义的u的截影经仿射变换而得的区域,g和〓为光滑函数且〓,则〓存在惟一的凸单调光滑解。若〓常数,〓仿射函数,〓为G在"抛物距离"下的严格内子域,则

Thismethod adopted affine transformation model and a Lie derivative-based analytical algorithm.We introduced the process and characters in extracting information of biological visionsystem, studied the feasibility of the generalized Gabor function used as receptive fieldfunction in extracting information and analyzed affine transformation group and Liederivatives. Finally, we deduced the mathematical denotation for Lie derivatives, i.e. theinfinitesimal generator of the geometric distortion in affine transformation.

对生物视觉信息提取的过程及特点进行了介绍,其中主要研究了广义Gabor函数作为感受野函数提取初级视觉信息的可行性;对仿射变换作为外界图像信息在视觉成像系统上的投影模型的原理进行了初步讨论;对Lie变换群微分算子用于提取仿射变换不变量的分析方法作了剖析,并推导了该方法中关键部分——仿射变换Lie微分算子的具体表达式,也就是几何变形无限小微分算子的计算表达式,使下一步编程实现该方法成为可能。

The fractal interpolation method based on affine transformation is a kind of method of fractal interpolation function by iterative function system.

基于仿射变换型的分形插值方法是由迭代函数系统实现分形插值函数的一种方法。

At the same time, the conditions of affine transform approximation are given in this chapter.

第三章在仿射模型的基础上,首先从函数空间的角度建立起不变特征提取的模型,将不变特征提取归结为寻找具有特殊性质的核函数

In particular, if the definition and declaration agree as to parameter list but differ as to return type, the compiler will issue a warning or error message indicating the discrepancy.

特别地,如果函数定义和函数声明的形参列表一致,但返回类型不一致,编译器会发出警告或出错信息来指出这种差异。

Algebraic curve is commonly used in CAGD. Traditional curve interpolation is in various forms of spline fuction. Although better result can be obtained by spline curve, the former two of elliptic, hyperbolic and parabolic shapes can not be represented by spline curve. An exploring research in this aspect is made in this thesis.

代数曲线是CAGD中经常用到的曲线,以往的曲线插值基本上是采用样条函数的形式,采用这种形式虽然能够获得很好的效果,但样条函数所能表达的形状都是抛物线型,对椭圆型与双曲线型曲线的表示是无能为力的。

Besides, through the method of concatenation, the upper bound of algebraic immunity and the form of the annihilators of any generalized boolean function were also determined.

此外,还通过级联函数的方法确定了任意广义布尔函数的代数免疫的上界和零化子的形式。

Put the discrete algebraic equations of initial derivative conditions and algebraic equation system of governing differential equation together to form a new algebraic system.

采用重心Lagrange插值近似未知函数,推导了未知函数各阶导数微分矩阵的显式表达式,建立了求解二阶常微分方程初值问题的重心Lagrange插值配点法。

Chapter 1 gives a brief introduction to basic contents and methods of system identification and solutions of certain prob— lems met during the process of identificationIn chapter 2, the identification is accomplished by transforming the linear differential equation of a dynamic system into an algebraic form via block pulse functions .

第二章介绍采用正交函数BPF将含有未知参数的系统线性微分方程转化为代数向量方程求解,获取表征系统特性的传递函数或微分方程参数而达到辨识目的。

We present a general method to construct blinding functions of discrete-logarithm-based (simply DL-based) blind signature schemes by analyzing the algebraic form of blinding function, thus solve the problem of blinding DL-based signature schemes completely.

从盲化函数的代数形式入手给出盲化函数的构造方法,完整地解决了基于离散对数数字签名的盲化问题,对可盲化的情况给出统一的最一般的盲化方案,对不可盲化的情况证明其不可盲化。

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推荐网络例句

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作:对伸臂位于顶部的单层框架—筒体模型进行分析,提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。

Its advantage is that it can be used in smaller units.

其优点在于可以在较小的单位中应用。