协方差函数的英文

• covariance function

• "函数"英文翻译    function
• "互协方差函数" 英文翻译 :    cross covariance function; cross-covariance function
• "自协方差函数" 英文翻译 :    autocovariance function
• "交互协方差函数" 英文翻译 :    cross-covariance function
• "空间协方差函数" 英文翻译 :    spatial covariance-function
• "迷向协方差函数" 英文翻译 :    isotropic covariance function
• "样本协方差函数" 英文翻译 :    sample covariance function
• "自共变函数, 自协方差函数" 英文翻译 :    autocovariance function
• "方差函数" 英文翻译 :    variance function
• "互方差函数" 英文翻译 :    cross variance function
• "自方差函数" 英文翻译 :    autovariance function
• "近似方差函数" 英文翻译 :    approximate variance function
• "球面方差函数" 英文翻译 :    sperical variance function
• "协方差泛函数" 英文翻译 :    covariance functional
• "协方差图函数" 英文翻译 :    covariogram function
• "协方差" 英文翻译 :    convariance; cov(covariance); covariance matrix; kovarianz covariance
• "方差-协方差矩阵" 英文翻译 :    variance covariance matrix; variance-covariance matrix
• "表型协方差" 英文翻译 :    phenotypic covariance
• "抽样协方差" 英文翻译 :    sampling covariance
• "多元协方差" 英文翻译 :    multiple covariance
• "多重协方差" 英文翻译 :    multiple covariance
• "复协方差" 英文翻译 :    complex covariance
• "广义协方差" 英文翻译 :    general covariance
• "规范协方差" 英文翻译 :    gauge covariance
• "互协方差" 英文翻译 :    cross covariance

• According to the statistic characteristic of covariance function , parameter estimation can be given for kernel function
  由协方差函数的统计特征，可给出核函数的参数估计。
• Studies have been made on arithmetic realization of apsd estimate in a high - speed detect system , since the way of calculating cpsd is only a little different from that of calculating apsd
  鉴于互功率谱密度估计算法只需将自功率谱密度估计算法中的自协方差函数换成互协方差函数,本文仅研究和讨论了自功率谱密度估计算法及其实现。
• If the covariance stationary processes are one dimension , for given data , covariance function and spectral density function can be estimated , and there is no need to select kernel function and its parameters
  如果协方差平稳随机过程的状态是一维的，对给定的样本点，给出了协方差函数的估计和其对应谱(密度)函数估计，而不必选择核函数及其参数。
• For the given sample points , and matrix formed by covariance function with sample points as parameters , when the number of sample points approaches infinite , it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation
  对给定的样本点，由样本点为变量的协方差函数构成的矩阵，当样本点个数趋于无穷大时，证明此矩阵谱逼近于积分方程正定核的谱逼近定理。
• Since the effects of turbulent atmosphere is prominent , this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere . the atmosphere refractive index model , especially refractive index fluctuation , power spectrum , phase spatial structure constant are introduced in the following and the specific structure function is achieved
  根据大气折射率模型，以及折射率起伏功率谱密度和相位空间结构常数，得到具体的结构函数；通过长程情况下的马尔科夫近似，得到了互相关函数，对数振幅和相位协方差函数。
• We proof the covariance function of covariance stationary processes is equivalent with mercer kernel function . that is , the covariance function of covariance stationary processes is a mercer kernel function ; in reverse , for a given mercer kernel function , there exists a covariance stationary processes , and the covariance function corresponded to this covariance stationary processes is the given symmetry positive - definite kernel function . it means that the covariance function is equivalent to symmetry positive - definite kernel function
  首先建立了协方差平稳过程的协方差函数与积分方程中对称正定mercer核函数的等价关系，即协方差平稳过程的协方差函数是对称正定mercer核函数，反过来，对给定的对称正定核函数，证明了存在协方差平稳过程，使得此协方差平稳过程对应的协方差函数恰好为给定的对称正定核函数，这说明协方差函数和对称正定核函数是等价的。