covariance

covariance

 英 [k??'ve?r??ns]

  • n.【統】協方差;共離散
  • 網絡共變異數;協變;協變性

英漢解釋

n.
1.
【統】協方差,協變性;共離散

英英解釋

n.

例句

However, the covariance decomposition of the PS has not previously been used to evaluate medical judgment.

然而方差分解PS以前未曾用于評價醫療判決

The correlation coefficient, like the covariance, is a measure of the extent to which two measurement variables "vary together. "

方差一樣相關系數描述兩個測量變量之間離散程度指標

Both the correlation coefficient and the covariance are measures of the extent to which two variables "vary together. "

相關系數方差描述兩個變量離散程度指標

The Covariance tool computes the value of the worksheet function COVAR for each pair of measurement variables.

方差工具測量變量計算工作表函數COVAR

Covariance Analysis Describing function Technique (CADET) algorithm was used to analyze the precision of missiles remote control process.

方差分析描述函數CADET首次用于導彈遙控過程精度分析

IMITATING COVARIANCE MATRIX OF DISPLACEMENT DATA AND ITS APPLICATION IN CALCULATION OF CRUSTAL STRAIN FIELD AS A WHOLE?

位移觀測方差矩陣模擬及其整體地殼應變應用

Finding Boundary Layer Top : Application of a Wavelet Covariance Transform to Lidar Backscatter Profiles .

發現邊界小波方差轉換應用反向散射廓線

Experimental Methods : Chart cycle, since the correlation and covariance method.

實驗方法周期相關方差

The proposed algorithm decreases the dimensions of its covariance matrices and has high computational efficiency.

方法優點減少方差矩陣具有較高計算效率

Multiple Random Variables, Joint and Conditional Distributions, Independence, Covariance and Correlation.

多重隨機變數聯合條件分布獨立變異與共相關

This demonstrates that it is necessary to carry out variance-covariance component estimation for the double- differenced GPS observables.

結論說明全球定位系統觀測必要進行方差-方差分量估計

This article focuses on how to make a correct teaching assessing by means of covariance analysis and work out its operation by computer.

方差分析如何根據考試成績正確評價教學效果有益嘗試結果進行計算機模擬

By analyzing the weighted covariance matrix of a local neighborhood, its least-squares plane was estimated.

局部鄰域進行加權方差分析估計最小平面

Simulation study shows unbiased fixed effects parameter estimation with covariance components estimation comparable to previous study.

仿真研究顯示無偏固定效應參數估計方差分量估計誤差相近前人結果

Inthe covariance model, gender differences are considered to be dynamic and to covary with the macro and micro contexts.

理論模型性別差異視為動態宏觀微觀環境變化變化

Simulation results show that due to the errors the rank of the covariance matrix will increase and the SINR performance will descend.

實驗結果表明濾波器響應誤差使相關矩陣增加SINR性能下降

At present eddy-covariance technique (ECT) is considered one of the most reliable methods in measuring CO2, heat and moisture fluxes.

目前相關認為國內外CO2、通量可靠方法

Moreover we studied also the natural boundary integral equations and its wavelet solutions. (3) estimation of the covariance matrix.

同時研究自然邊界積分方程小波方法

Song, the theme of the poetry of the total quantity is over its covariance poems.

主題詩歌數量超過詩作總數

The coherent signals cause rank deficiency of the array covariance matrix, thus the performance of the processor deteriorates greatly.

接收信號相關性使陣列輸出方差矩陣出現缺失現象因而傳統信號處理算法性能惡化

In filtering calculation, strong tracking factor is introduced to modify priori covariance matrix to improve the accuracy of the filter.

濾波計算引入跟蹤濾波因子修正濾波器狀態方差矩陣濾波精度得以提高

Results Repeated measurement obtained reasonable results by the fixed and random effects along with efficient estimate of covariance matrix.

結果通過固定效應隨機效應方差矩陣估計使重復測量數據得以合理分析

This method established is applicable to collision probability problem involving relative velocity and error covariance changing with time.

建立這種描述計算方法適用相對速度誤差方差矩陣時間任意變化情況

Returns the population covariance of two series evaluated over a set, using the biased population formula.

返回序列偏差總體公式求得總體方差

Then mean and covariance are used to adjust the global brightness of the images to solve the problem of different illumination.

然后使用統計參數調整拼接圖像整體亮度解決光照變化問題

Those little minus and addition signs are used to denote contravariance and covariance, respectively.

這些小小加號減號分別用來指出

Variance component model of the random effects of covariance matrix unit for the "Linear model introduction" matrix has been studied.

方差分量模型隨機效應方差單位線性模型引論進行研究

Returns the sample covariance of two series evaluated over a set, using the unbiased population formula.

返回兩個序列無偏差總體公式求得樣本方差

Through the test, we obtain some meaningful results, which could provide some references to covariance function fitting.

通過實驗得出一些有意義結果方差函數擬合提供一定參考

Note: Covariance analysis was performed to the difference of score before and after treatment by the score before treatment.

治療癥狀積分變量治療前后癥狀積分方差分析

An accurate estimate on the rank of the clutter covariance matrix (termed as clutter rank) is introduced and the lower bound is obtained.

準確估計稀疏雷達相關簡稱基礎得到下界

Most of these methods fall into two categories: based on the crossing rate and based on the covariance of the received signal.

這些方法大致可以分為一類基于通過方法一類基于方差方法

Furthermore, the filtering error cross-covariance matrix is derived between any two sensor subsystems of stochastic singular systems.

得了隨機奇異系統兩個局部估計之間濾波誤差方差

After inspecting the properties of the covariance matrix, a recursive method of system parameter estimation is derived upon LSE.

研究方差矩陣特性基礎出一種最小辨識系統算法

A multi-step clustering algorithm with transformation-based and diagonal-covariance Gaussian mixture model (GMM) is advanced.

同時聚類算法融入其中使高斯混合模型找到適合模型混合

Order statistics have origin moments and central moments. mainly include expectation, variance and covariance.

次序統計原點中心主要期望方差方差

Values that describes the covariance and special constraints of the current generic type parameter .

組合用于描述當前型類型參數特殊約束

The model to calculate the pseudo measurement and the concomitant error covariance matrix is deduced for the planar circumstance.

推導情況確定測量相伴誤差方差矩陣模型

The Covariance function evaluates the specified set against the first numeric expression, to get the values for the y-axis.

Covariance函數指定計算第一個數值表達式獲得y

The results driven from regression analysis were verified by correlation analysis and covariance analysis.

同時相關分析方差分析方法計算效果檢驗