covariance
美英 [kəʊ'veərɪəns]
- n.【统】协方差；共离散
- 网络共变异数；协变；协变性
covariancecovariance
协方差
（转）统计学词汇 - halen1010的日志 - 网易博客 ... Counts, 计数/频数 Covariance, 协方差 Covariant, 共变 ...
共变异数
共变异数（Covariance）在概率论和统计学中用於衡量两个变量的总体误差。而方差是协方差的一种特殊情况，即当两个变量 …
协变
什么叫协变（covariance）和逆变（contravariance）？ 在编程语言的类型框架中，协变和逆变是指宽类型和窄类型在某种情况 …
协变性
C# 4.0新特性(白皮书)_设计家园 ... Variance 变性 Covariance 协变性 Contravariance 逆变性 ...
共变数
共变数(Covariance),为两个随机变数的离均差除以母体个数,可以判断两个事件随机变数的相依性,而单一变数的共变数,那就是变 …
共变量
共变量(Covariance),为两个随机变数的离均差除以母体个数,可以判断两个事件随机变量的相依性,而单一变量的共变量,那就是变 …
协方差函数
大连268,大连本地问答系统 ... ·DB2 DAYOFWEEK_ISO 一周内第N天 ·DB2 COVARIANCE… 协方差函数 ·DB2 LENGTH 求字 …
1
However, the covariance decomposition of the PS has not previously been used to evaluate medical judgment.
然而，方差分解的PS以前未曾用于评价医疗判决。
2
The correlation coefficient, like the covariance, is a measure of the extent to which two measurement variables "vary together. "
与协方差一样，相关系数是描述两个测量值变量之间的离散程度的指标。
3
Both the correlation coefficient and the covariance are measures of the extent to which two variables "vary together. "
相关系数和协方差都是描述两个变量离散程度的指标。
4
The Covariance tool computes the value of the worksheet function COVAR for each pair of measurement variables.
“协方差”工具为每对测量值变量计算工作表函数COVAR的值。
5
Covariance Analysis Describing function Technique (CADET) algorithm was used to analyze the precision of missiles remote control process.
协方差分析描述函数法（CADET）首次用于导弹遥控过程的精度分析。
6
IMITATING COVARIANCE MATRIX OF DISPLACEMENT DATA AND ITS APPLICATION IN CALCULATION OF CRUSTAL STRAIN FIELD AS A WHOLE?
位移观测值协方差矩阵模拟及其在整体解算地壳应变场中的应用？
7
Finding Boundary Layer Top : Application of a Wavelet Covariance Transform to Lidar Backscatter Profiles .
发现边界层顶：将小波协方差转换应用于光达反向散射廓线。
8
Experimental Methods : Chart cycle, since the correlation and covariance method.
实验方法：周期图法、自相关法和协方差法。
9
The proposed algorithm decreases the dimensions of its covariance matrices and has high computational efficiency.
该方法的优点是减少了协方差矩阵的维数，具有较高的计算效率。
10
Multiple Random Variables, Joint and Conditional Distributions, Independence, Covariance and Correlation.
多重随机变数，联合与条件分布，独立，共变异与共相关。
11
This demonstrates that it is necessary to carry out variance-covariance component estimation for the double- differenced GPS observables.
结论说明对全球定位系统双观测值有必要进行方差-协方差分量估计；
12
This article focuses on how to make a correct teaching assessing by means of covariance analysis and work out its operation by computer.
用协方差分析法对如何根据考试成绩正确地评价教学效果作了有益的尝试，并对结果进行了计算机模拟。
13
By analyzing the weighted covariance matrix of a local neighborhood, its least-squares plane was estimated.
对局部邻域进行加权协方差分析，估计出该部域的最小二乘拟合平面。
14
Simulation study shows unbiased fixed effects parameter estimation with covariance components estimation comparable to previous study.
仿真研究显示无偏之固定效应参数估计，而方差分量估计之误差则相近于前人结果。
15
Inthe covariance model, gender differences are considered to be dynamic and to covary with the macro and micro contexts.
在这一理论模型中，性别差异被视为是动态的，随宏观和微观环境变化而变化的。
16
Simulation results show that due to the errors the rank of the covariance matrix will increase and the SINR performance will descend.
实验结果表明：滤波器相频响应误差会使自相关矩阵的秩增加、SINR性能下降。
17
At present eddy-covariance technique (ECT) is considered one of the most reliable methods in measuring CO2, heat and moisture fluxes.
目前涡动相关法被认为是国内外则定CO2、水热通量的最可靠方法。
18
Moreover we studied also the natural boundary integral equations and its wavelet solutions. (3) estimation of the covariance matrix.
同时研究了自然边界积分方程与小波方法。
19
Song, the theme of the poetry of the total quantity is over its covariance poems.
歌中，该主题的诗歌数量超过其诗作总数的协。
20
The coherent signals cause rank deficiency of the array covariance matrix, thus the performance of the processor deteriorates greatly.
接收信号的相关性使阵列输出协方差矩阵出现秩缺失现象，因而传统的阵列信号处理算法性能恶化。
21
In filtering calculation, strong tracking factor is introduced to modify priori covariance matrix to improve the accuracy of the filter.
在滤波计算中，引入强跟踪滤波因子修正滤波器的状态预协方差矩阵。滤波精度得以提高；
22
Results Repeated measurement obtained reasonable results by the fixed and random effects along with efficient estimate of covariance matrix.
结果通过固定效应与随机效应及对协方差矩阵的估计，使重复测量数据得以合理的分析。
23
This method established is applicable to collision probability problem involving relative velocity and error covariance changing with time.
所建立的这种描述和计算方法适用于相对速度和误差协方差矩阵随时间任意变化的情况。
24
Returns the population covariance of two series evaluated over a set, using the biased population formula.
返回两个序列用有偏差总体公式对集求得的总体协方差。
25
Then mean and covariance are used to adjust the global brightness of the images to solve the problem of different illumination.
然后使用统计参数来调整待拼接图像的整体亮度，以解决光照变化问题；
26
Those little minus and addition signs are used to denote contravariance and covariance, respectively.
这些小小的加号和减号是分别用来指出协变和逆变的。
27
Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.
方差分量模型的随机效应的协方差为单位阵时《线性模型引论》已进行研究。
28
Returns the sample covariance of two series evaluated over a set, using the unbiased population formula.
返回两个序列用无偏差总体公式对集求得的样本协方差。
29
Through the test, we obtain some meaningful results, which could provide some references to covariance function fitting.
通过实验，得出了一些较有意义的结果，为协方差函数拟合提供了一定的参考。
30
Note: Covariance analysis was performed to the difference of score before and after treatment by the score before treatment.
注：以治疗前症状积分为协变量，对治疗前后症状积分的差值做协方差分析。