特征函数

  • 【数】characteristic function [of meromorphic function]
特征函数特征函数
  1. χ~2-分布、T-分布、F-分布的W特征函数和矩

    The walsh characteristic function and moment of χ ~ 2-distribution , T-distribution and F-distribution

  2. DW分布的W特征函数和矩

    The walsh characteristic function and moment of the distribution of DW

  3. 一阶特征函数与Banach空间的若干几何性质

    The first order characteristic functions and some geometric properties in Banach Spaces

  4. 用稳定分布的特征函数和Fourier变换得到稳定分布的参数估计和概率密度。

    The estimated parameter and probability density of stable distribution are obtained by its character function and the Fourier transform .

  5. Banach空间的正交性与特征函数

    Characteristic functions and orthogonality in Banach Spaces

  6. SV模型参数估计的经验特征函数方法

    Estimation of SV Models on the Basis of Empirical Characteristic Function Method

  7. Banach空间的特征函数

    Characteristic Function of Banach Space

  8. 我们用B样条磨光技术在不改变积分值的前提下磨光特征函数,用可微的权重函数代替特征函数,提高了采样的质量。

    We use B-spline smoothing technique to smooth the characteristic function without changing the integral quantity and get a differentiable weight function . The method considerably improves the quality of sampling points .

  9. 第五章研究了一类脉冲时滞双曲方程组,利用符号函数,特征函数,Green公式等有力工具将其解振动与否转化到讨论一类脉冲微分不等式是否有最终正负解来研究。

    In the last chapter , oscillations of a system of hyperbolic equations are deduced from the corresponding properties of an ordinary differential inequalities by using eigen function and Green formula , etc.

  10. 关于DDE特征函数的反函数

    On the Inverse Function of Characteristic Function of DDE

  11. 基于特征函数的NaIγ能谱高斯峰面积计算

    Gaussian peak area computation of NaI gamma spectrometry based on the eigenfunction

  12. 一个二元Walsh特征函数是相同于概率密度函数的二重Walsh变换。

    A two-variable Walsh characteristic function is identical to the double-Walsh transform of the probability density function .

  13. 本文用特征函数展开和流场匹配给出了V形贯底式防波堤的防浪效果计算的解析方法。

    By means of the eigenfunction expansion and matching of sub-fluid regions , an analytical method is developed to study the effect of defending against waves of V-type bottom-mounted breakwater .

  14. 利用Robin特征函数和脉冲时滞微分不等式得到了这类系统解振动的充分条件。

    Several sufficient conditions of oscillation for such systerm are established by employing Robin eigen - function and impulsive delay differential inequalities .

  15. 第二,建立了有效的人工神经BP网络模型,将原始图像的16个特征函数作为BP网络的输入,通过学习一训练,确定人工神经网络结构;

    Secondly , we set up a ANN BP model by way of the numerical value of 16 eigenfunctions as its inputs , then don 't circulate the model until it is steady ;

  16. Carleson测度与一致有界特征函数

    Carleson Measure and the Functions of Uniformly Bounded Characteristic

  17. 针对光刻模型的光学成像系统,本文介绍了基本的基于Hopkins公式的曝光系统模型以及Hopkins的近似算法,即所谓的基于特征函数的SOCS算法。

    An optical model with Hopkins and an approximate algorithm , so-called SOCS algorithm , are presented as well .

  18. 提取直方图特征函数(HCF)域21维统计矩特征组成特征向量,用支持向量机(SVM)训练分类器。

    Extract 21-dimensional statistical characteristics of histogram characteristic function ( HCF ) field , training classifier with the support vector machine ( SVM ) .

  19. 代数微分方程亚纯函数解的NEVANLINNA特征函数

    Solving process of functional equation nevanlinna 's characteristic function of meromorphic solutions of algebraic differential equations

  20. 根据势函数q,p与特征函数之间的关系,得到good-Boussinesq方程族解的对合表示。

    By the relations between the potentials ( q , p ) and the eigenvectors , the involutive representations of the solutions for the good-Boussinesq equation hierarchy are obtained .

  21. 阐述多层手征介质圆波导传输特性的递推特征函数解,导出了N层手征介质圆波导传播常数的特征方程,提供了若干例子的数值结果

    An efficient recursive eigenfunction solution is described for the propagation characteristics of a circular multilayer chiral dielectric waveguide . A characteristic equation is derived for the propagation constant of an N layer chiral dielectric waveguide . Numerical results are presented for several examples

  22. 本文提出一个基于性能的LUT结构的FPGA的再设计算法,该算法采用特征函数以及对原布尔网络进行相应的约束实现电路的再设计。

    This paper presents a performance based redesign algorithm for LUT type FPGA . The algorithm uses characteristic functions and presents a redesign method based on restriction for an original relation .

  23. 本文证明了一些特征函数多项式的嵌入不等式,并利用MSP转化原则来处理特征函数多项式逼近中的误差转化问题。

    Some embedded inequalities of eigenfunction polynomials are presented and error transformations in polynomial approximation are dealt with by using Wu Xuemou 's MSP Transforming Principle .

  24. 通过响应概率特征函数和Fourier变换,求得Gram-Charlier级数形式的振形位移和速度响应联合概率统计分布。

    The probabilistic characteristic function and Fourier transformation are employed to evaluate the joint statistical distribution of modal responses , which has the form of Gram-Charlier series .

  25. 本文研究了PearsonⅡ型椭球矩阵分布的高维极限行为,并获得特征函数的近似展开。

    The main purpose of this paper is to investigate the high dimensional limiting behavior of Pearson ⅱ type elliptical matrix distribution , and obtain the approximate expansion of the characteristic function .

  26. 本文用球坐标,利用Bessel函数和Legendre多项式给出特征函数表达式,并用一族级数的零点来表示特征值。

    In this paper , the eigenvalue and eigenfunction are obtained by Bessel function and Legendre Polynomail on sphere coordinates and imply eigenvalue by a class of zero points of calculation .

  27. 计算基本SV模型和杠杆效应SV模型的联合特征函数,借助经验特征函数方法估计这两个SV模型。

    The characteristic functions of basic SV model and SV model with leverage effect are derived , an estimation ( method ) of SV models via empirical characteristic function is discussed in this paper .

  28. 本文讨论了按特征函数展开的Fourier部分和的逼近度和特征函数展式的线性求和法,并对Borg型的唯一性定理的条件作了改进。

    The degree of approximation of Fourier partial summation by eigenfunction expansion and the linear summation of eigenfunction expansion are discussed . An improvement on the condition for uniqueness theorem of the Borg-type is made .

  29. 采用合成干扰模型假设和特征函数方法简化了PIM问题,对包括PIM干扰在内的总干扰的统计特性进行了数学分析,进而对无源互调对通信系统的抗噪性能的影响做了数值模拟。

    PIM problem is simplified by considering an assumption of composite interference model and characteristic function method . An analysis is made of the statistical features of the total interference including PIM interference .

  30. 通过将时变多径Rayleigh衰落信道中传输符号的判决变量表示为高斯随机矢量的二次形式,得出其特征函数以加权协方差矩阵之特征值为变量的解析表达式。

    By expressing the decision variables of transmission symbols in time-varying multipath Rayleigh fading channels as the Gaussian quadratic vector form , we derive the analytic expression for its characteristic function as a function of the eigenvalues of the weighted covariance matrix .