covariance

covariance

1. The flux obtained from the COARE scheme are about 95% of those derived from eddy covariance without correction ,and is more close to those derived from eddy covariance with correction .

COARE参数化方案与订正前的涡动相关方法得到的结果比值在95%左右，与订正后的涡动相关方法得到的结果更为接近1:1。

2. The Covariance function ignores empty cells or cells that contain text or logical values are ignored.

Covariance函数会忽略空单元以及包含文本或逻辑值的单元。

3. The Covariance function uses the biased population formula.

Covariance函数使用有偏差总体公式。

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

Covariance函数对指定的集计算第一个数值表达式,以获得y轴的值。

5. Conventional subspace based algorithms for DOA evaluation estimate the DOA parameters by tracking either the signal subspace or noise subspace of the covariance matrix of the received signal.

DOA估计的子空间方法主要是通过估计信号协方差矩阵的信号子空间或者噪声子空间来求出信号的DOA参数。

6. And the MIXED procedure of the SAS System provides a rich selection of covariance structures through the RANDOM and REPEATED statements.

Mixed过程提供了丰富的协方差结构，可以充分利用重复测量资料的信息，又能处理缺失值，是重复测量资料最优的统计分析方法。

7. 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。

8. The Correlation and Covariance tools each give an output table, a matrix, that shows the correlation coefficient or covariance, respectively, between each pair of measurement variables.

“相关”和“协方差”工具都会提供一张输出表(矩阵),其中分别显示每对测量值变量之间的相关系数或协方差。

9. Local influence in general covariance analysis model

一般形式下的协方差分析模型的局部影响分析

10. The ranks and natural logarithms of determinants printed are those of the group covariance matrices.

上图反映了协方差矩阵的秩和行列式的对数值,由行列式值可以看出协方差矩阵不是病态矩阵.

11. Unlike the covariance, the correlation coefficient is scaled so that its value is independent of the units in which the two measurement variables are expressed.

与协方差的不同之处在于,相关系数是成比例的,因此它的值与这两个测量值变量的表示单位无关。

12. The additive genetic variance of the same character, estimated from the covariance of half sibs, was 0. 9602.

从半同胞协方差估计出来的,同一性状的加性遗传方差为0.9602。

13. See from current covariance data, it is average to digest level not really perfect.

从目前的统计数据来看，平均消化水平不太理想。

14. By this means,it can eliminate the affection of the abnormal measure data,and to keep the covariance of the filter to be zero.

从而可以消除异常的测量数据带来的影响,使滤波器的残差始终保持零均值,且使估计误差的协方差阵收敛,最终实现最优估计。

15. By this means, it can eliminate the affection of the abnormal measure data, and to keep the covariance of the filter to be zero.Finally it can achieve the optimal estimate.

从而可以消除异常的测量数据带来的影响，使滤波器的残差始终保持零均值，且使估计误差的协方差阵收敛，最终实现最优估计。

16. 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?

17. The algorithm uses the sub-block of covariance matrix which is not affected by noise to estimate the parameters of DOA.

使用该算法和两平行均匀线阵可实现二维来波方向的快速估计。

18. Thereinto, for the spectral decomposition estimate of the covariance matrix ,we can gain the risk functions under some losses.

其中，对于观测向量协方差阵的谱分解估计，我们很容易得到它在一些损失下的风险函数。

19. It the related covariance item also has a lot and the underneath slightly raises several to influence a bigger covariance item towards dropping words.

其相关的统计项也有许多，下面略举几个对掉话影响较大的统计项。

20. Then, comparisons are made by covariance analysis on each character individually by sexes and regions; and then a multiple characters comparison is made by canonical multivariate analysis.

再以正准多变值统计分析法求各个海域标本，在空间分布上所占有的相对位置，以判定异同程度。

21. Environmental effect on photosynthetic rate measurement is eliminated by covariance analysis, the photosynthetic rate is comparable during three grain filling stage in different wheat variety.

净光合速率矫正前后差异较大，矫正后的平均数消除了测量过程中环境参数的变化造成的影响，可获得品种的真实净光合速率。

22. The COVAR() function calculates the covariance of two cell ranges.

函数计算两个单元格范围的协方差。

23. covariance for stratified sampling

分层抽样协方差

24. Fractional Low-Order Covariance(FLOC )

分数低阶协方差

25. Fractional Lower Order Covariance (FLOC) spectrum

分数低阶协方差（FLOC）谱

26. In this paper, the authors expounded covariance analysis with two correlated variables and solved it with quadric form.

利用二次型解决了双协变量的方差分析方法。

27. Experiments on face recognition and spectrum pattern recognition are conducted to investigate the classification accuracy with the developed covariance matrix estimator.

利用人脸和光谱模式识别的实验，对所发展的协方差矩阵估计器进行了探索。

28. By using the optimized covariance matrices to optimize the new regularized discriminant analysis (RDA), the correct classification rate is higher than that by the old RDA.

利用优化的协方差矩阵对正则化判别分析方法进行优化，其模式分类正确率有显著提高。

29. In this paper, by using the special structure of the covariance matrix, a fast high resolution method based on QR decomposition is presented.

利用阵列输出协方差矩阵的特殊结构,本文提出一种基于QR分解的高分辨谱估计方法及其改进形式。

30. Types. Covariance permits a method to have a more derived return type than what is defined in the delegate.

协变允许将带有派生返回类型的方法用作委托,逆变允许将带有派生参数的方法用作委托。

31. The theoretical foundation of the covariance is pertinence of system theory.

协变性的理论基础是系统原理中的相关性。

32. Robust Fitting of Covariance Function

协方差函数的抗差拟合

33. Influence analysis of covariance analysis model

协方差分析模型的影响分析

34. Covariance matrix weighting beamforming

协方差加权波束形成

35. Covariance shaping least squares estimator

协方差成形最小二乘估计器

36. THE ADMISSIBLE QUADRATIC ESTIMATORS OF COVARIANCE

协方差的二次型容许估计

37. estimation error of the covariance matrix

协方差矩阵估计误差

38. Covariance matrix can get bands with ample information content but it is a model educed under normal distribution condition,in addition its defect is large numbers of data、 slower disposing speed.

协方差矩阵特征值法可得到包含信息量丰富的波段,但是它是在完全服从正态分布的情况下得出的模型,另外这种模型的缺点是计算数据量大,处理速度慢。

39. analysis of covariance structures

协方差结构分析

40. Covariance array dimension-reduced method

协方差阵降维法

41. The covariance analysis with two correlated variables

双协变量的方差分析

42. A new covariance matrix estimator is developed, and a formula for fast estimation of regularization parameters is derived.

发展了一种新的协方差矩阵估计器，导出了一个快速估计正则化参数的公式。

43. 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。

44. without knowledge of noise covariance

噪声方差未知

45. Fault detection and classification (FDC) via sample covariance matrix is thus very important.

因此，对于共变异矩阵的错误侦测与鑑别(FDC)也越来越重要。

46. Covariance is the ultimate law of library science development which has been proved by library science history.

图书馆学史证明,协变性是图书馆学发展的根本规律。

47. In linear modelling (analysis of covariance), the UCS of favourable soils is a function of variation in soil properties but not of variation in the quantity of cement or lime used.

土壤线性收缩是基于分类结果稳定适宜性的一个最好辨别因素。

48. The experimental results on ORL face database show that by the proposed improved method, eigenvalues of the optimized covariance matrices become larger and the matrices inverses become more stable.

在ORL人脸库上的实验表明，优化后协方差矩阵的特征值均显著变大，使该矩阵的逆阵稳定性得到了提高。

49. DFT is used to estimate the covariance matrix of downlink channel of the path, not calculating DOA.

在不求出DOA的情况下,采用离散傅里叶变换来估计该路径下行信道协方差矩阵。

50. Though similar in structure, the EBF network differs from the well-known radial basis function (RBF) network by incorporating full covariance matrices and uses the expectation-maximization (EM) algorithm to estimate the basis functions.

在保留RBF3层网络结构基础上,EBF采用了最大期望算法来估计特征空间的混合密度分布参数,用椭球体集合来分解混合密度分布,从而构造了神经网络的中间层基函数的状态。

51. In the process of Kalmsn filtering, our algorithm uses the sequential process and the U-D covariance factorization technique to improve the computing speed and numeric stability of filtering.

在卡尔曼滤波过程中使用了序贯处理和U-D协方差因式分解算法提高滤波时的计算速度和数字稳定性。

52. At the our country, because of everyplace GSM what operator adopt wireless equipments dissimilarity, so it the wireless covariance item will have differentiation.

在我国，由于各地GSM运营商所采用的无线设备不同，因此其无线统计项会有所区别。

53. This will consequently lead to the instability of the numerical value and radiation of the filter.Singular value decomposition is applied in the calculation of the covariance matrix.

在扩展卡尔曼滤波递推公式中,由于在计算过程中会由于计算机的舍入误差而使得协方差阵失去正定性,导致滤波数值不稳定和滤波发散。

54. Test subscores correlate with each other to some extent by virtue of presumed general covariance within the test-taker population between different component elements of spoken language skills.

在某种程度上,测试小分间的相关性取决于测试人群不同的口语技能成份,即所预期的整体协方差。

55. 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；

56. The state vector s expectation, variance and covariance matrices are given under the conditions of the systems with regular infinite extreme point and singular infinite extreme point.

在系统具有正则无穷远极点和奇异无穷远极点的条件下,得到了系统状态向量的均值、方差阵及协方差阵的计算公式。

57. When the observation noise is temporal correlation, Kalman Filter will not be able to achieve optimization, and its covariance matrix will be wrong.

在观测噪声不满足时间不相关的假设情况下，卡尔曼滤波将达不到最优滤波效果，并且其误差协方差阵也是错误的。

58. The observation covariance matrix is a important factor of influence on navigation precision in position potential navigation.

在进行位置势导航滤波时,观测值的方差阵是影响导航滤波精度的重要因素。

59. Covariance Function of Place Error for Map Digitizing Data

地图数字化位置误差的协方差函数

60. Based on the ESB method, this pape presents a novel beamforming algorithm for the uniform linear array which constructs a special matrix instead of the covariance matrix.

基于特征空间自适应波束形成算法,针对等距离线阵提出了一种波束形成方法.

61. multivariate analysis of covariance

多变量协方差分析

62. Efficient Algorithms for Maximum Covariance Analysis of Datasets with Many Variables and Fewer Realizations: A Revisit.

多变量和较少实现数据库最大协方差分析的有效算法。

63. Computation of the covariance matrix in MSNWF based on FPGA

多级嵌套维纳滤波器中协方差矩阵计算的FPGA实现

64. The optimal portfolio selection of singular covariance matrix

奇异协方差矩阵的最优投资组合选择

65. The Efficient Set in the Case of Singular Covariance Matrix

奇异协方差阵下的有效证券组合

66. Involve the covariance and the interview summary of the questionnaire data As for China, the Car Campground as the fresh thing is at the starting stage.

如何使之在我国健康发展,是我们关注的焦点。

67. How to eliminate the influence of these uncontrollable factors and enable us to make correct comment on various solutions is the problem we need to solve in analysis of covariance.

如何消除这些不易控制的因素的影响，使我们对各种处理的结果能够得到正确的评价，这是协方差分析所要解决的问题。

68. If time of usage of the member‘s not yet finished marking with sign signature, so this work contents will not include in this member the work the contents covariance the watch.

如果该成员未完成标志使用时间和署名,那么这个工作内容不会包括在这个成员工作内容统计表里。

69. Covariance and Contravariance in Delegates

委托中的协变与逆变

70. The algorithm processes very few snapshot data opposed to forming sample covariance matrix and computing matrix inversion.

它无需构造协方差矩阵及进行矩阵求逆，又避免了复杂度较高的广义特征值分解。

71. Finally I get the experimented sources and evidences, use pretest as covariance, and proceed "ANCOVA".

实验所得资料以前测当共变数，进行独立样本单因子共变数分析。

72. 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。

73. By averaging the previous results, a new covariance matrix is obtained.It is a full rank matrix.

对其进行平均后，所得到的相干信号协方差矩阵具有满秩性。

74. The results of AFC algorithm are processed using modified smoothed algorithm，and its covariance is decreased.

对叉积算法得到的结果利用改进的平滑算法进行处理，降低了噪声方差。

75. 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。

76. Meanwhile, the result is refined using frequency-domain correlation and covariance matrix of estimation error in minimum mean-squared error sense.

对滤波的结果，利用信道的频域相关函数和估计误差的协方差矩阵，在频域进行最小均方误差意义上的优化。

77. A time domain covariance method for the trainbridge vertical stochastic vibration excited by the time-correlated multidimensional nonwhite noise rail irregularity was proposed.

将方差递推法推广到时变系统,求解列车-桥梁系统的随机振动。

78. analysis of covariance for difference value

差值的方差分析

79. Further by using Covariance Structure Model (CSM), the author makes an empirical analysis of these factors.

并采用协方差结构模型分析(CSM)方法,对这些因素进行了实证研究。

80. A mathematical model was presented to maximize the covariance of visiting rate and accessibility of Web pages.As solving method, PTSA was embedded in the Tabu Search for optimal solution.

建立了一种极大化网页访问率与可达性之间相关性的网站链接结构调整的数学模型，并提出将PTSA嵌入禁忌搜索的求解方法。