释义 |
co·var·i·ance 英kəʊˈveəriːəns美koˈvɛriənsAHDkō-vârʹē-əns 高COCA³¹⁹³⁴BNC³⁹¹⁹⁸iWeb²⁸⁴⁷⁹ 基本英英搭配记法派生词例句例句 n.共分散¹²;协方差⁸⁸
Noun: statistics the mean value of the product of the deviations of two variates from their respective meanscomplex covariance复协方差analysis covariance协方差分析cross covariance互协方差covariance matrix协方差矩阵covariance function协方差函数,积差函数…covariance method协方差法,共变法…normalized covariance归一化协变性…multiple covariance多重方差covariance analysis积差分析,协方差分析…population covariance总体协方差covariance sequences计 协方差序列… co-共同-variance⇒n.共分散¹²;协方差⁸⁸Pautocovariance自共变
名词100% 用作名词Analysis ofcovarianceis a combination of regression analysis and variance analysis.协方差分析足把直线回归与方差分析结合起来应用的一种方法。 The data oncovariancepresently available are here.目前所能获得的关于协变的资料都在这儿。 The theoretical foundation of thecovarianceis pertinence of system theory.协变性的理论基础是系统原理中的相关性。 A full introduction to covariance and contravariance would take too long. 对协变与逆变的完整介绍要花很长时间。 infoq And at last we analyze the capability of scheduling system from communication overhead, response time and bear balancing covariance. 最后从通信开销、响应时间、负载平衡方差三个方面对系统性能进行评析。 cnki Associated with seeker spherical surface model and covariance adaptive adjusts, Kalman filter is developed with relative position information transformed from LOS angle information. 该算法利用导引头球面模型,将测角信息转换成距离信息,进行方差自适应调整和卡尔曼滤波。 cnki In this paper it is explained that relativity principle and covariance requirement were one and the same idea. 相对性原理就是协变性要求,服从相对性原理就是满足协变性要求。 dictall Results of linear structural relation model based on covariance matrix showed that psychological factors affected the development of NIDDM not only directly but also indirectly. 用协方差矩阵配合模型的结果显示,精神因素对糖尿病的患病状况不仅有直接影响,同时也有间接影响。 cnki The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean- square sense. 这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。 cnki A real-time estimation of a prior variance- covariance for GPS observations is suggested in this paper. 本文提出了一种 GPS观测量的先验方差-协方差矩阵的实时估计方法。 cnki An improved measuring method, the so-called eddy covariance method, recently became available. 最近开始应用的是一种改进的测量方法,所谓的涡度相关法。 yeeyan By the analysis of airborne gravity measurement data, this paper constructs a space covariance function model with spatial characteristics. 本文通过对航空重力测量数据的分析,建立起具有空间相关特性的空间协方差函数模型。 cnki One more thing, I said they're not independent, so we have to talk about the covariance between the returns. 还有,我说过它们不是相互独立的,因此我们还需要讨论两个收益率的协方差。163 The variance- covariance matrix still include parameter of variance in this condition, so our purpose is to look for feasible estimations. 因为这时模型协方差阵结构仍含有方差参数,因此我们的目标是寻求可行估计。 cnki To preserve the polarimetric properties of polarimetric SAR image, each element of the covariance matrix should be filtered independently in the same homogenous area. 为了保持多极化 SAR图像的极化特性,协方差矩阵中的每一个元素都必须在相同的局部同质区内进行独立的滤波处理。 cnki While these interfaces are quite humble on the surface, they expose the rather complex story of backwards compatibility, interoperability, and the role of covariance. 尽管这些接口表面上看起来是如此稀松平常,但是它们却暴露出关于向后兼容性、互操作性、以及协变的作用等相当复杂的故事。 infoq |