查询词典 correlation matrix

When oversampling factor is 2, the covariance matrix composed of the coefficients of correlation between those samples can be calculated by numerical method.

按Nyquist采样率均匀抽取出的采样点之间相互独立同分布，推广到过采样系数为2时，得到此时由各采样点之间相关系数构成的协方差矩阵，利用数值计算对其进行分析。

MWF holds a new filter structure in which only the cross correlation vectors of each stage instead of the covariance matrix of input series need to be estimated when filtering.

MWF是一种新型的滤波器结构，在滤波时，并不需要知道输入序列的协方差矩阵，只要估计各级的互相关矢量即可。

The main topics are: matrix algebra, multivariate normal distribution, discrimination and classification, principle components, factor analysis, canonical correlation analysis.

本课程的主要内容包括矩阵代数、多元正态分布、判别分析、聚类分析、主成分分析、因子分析、典型相关分析。

The correlation among all these parameters of four different types of wear debris is conducted. In the analysis of surface texture, the maximum and minimum brightness point in texture normal line is examined firstly. Then, the differences among some typical wear particles are analyzed through analyzing the texture gray level co-occurrence Matrix, color principal component analysis of the wear particle and the direction of wear particle outline.

在磨粒表面纹理分析中，通过检测磨粒表面纹理法线上亮度极小、极大值的纹理分析方法分析了滑动磨粒与疲劳磨粒差别，通过灰度共生矩阵进行纹理分析四种不同类型的磨粒图像，通过主成分分析分析方法对磨粒颜色特征进行识别，以及根据磨粒轮廓方向判断磁性磨粒和非磁性磨粒。

With the analysis of the RELAX in the correlation domain, the theory of the signals resolution that based on the signals separation was established, and the effect of the signal separation with the projection of the iterative matrix operators was also proved.

在矩阵算子实现信号分离的前提下，建立了关于信号方位参数的多维优化问题－即所谓的多维松弛算法。

Using the properties of reciprocal judgment matrix. A Theil coefficient method for priority of reciprocal judgment matrices which is based on the point of correlation is proposed, and some important properties are studied.

利用互反判断矩阵的性质，从相关性的角度提出了互反判断矩阵排序的Theil不等系数新方法，研究了该方法下一些重要性质。

Limiting the alternatives of model by residual variance, together with parameters estimation, the correlation of the estimates matrix, the autocorrelation check of the residuals and the fitting test, can help to search for suitable model quickly and accurately.

通过残差方差定阶法缩小模型选择范围，再结合模型的参数估计、相关系数矩阵、白噪声检验和拟合优度检验最后确定模型的思路，有利于快速准确找到合适的模型。

Methods: Using the time series of cucumber downy mildew disease, we established an autoregressive integrated moving average model, ARIMA(2,2,0) based on model identification, comparison of residual variance, estimation and verification of parameter, observation of the correlation of the estimates matrix, autocorrelation check of the residuals, analysis of the fitting of model and so on.

采用黄瓜霜霉病病情指数时间序列进行研究，通过模型识别、残差方差比较、参数估计及其检验、观察参数之间相关系数矩阵、白噪声检验、模型的拟合度分析等过程。

MXCOMP——Compares two symmetric matrices by computing their matrix correlation and then plotting a scatter diagram.

MXCOMP通过计算其相关矩阵和绘制散点图来比较了两个对称矩阵。

MXDOMP——Dompares two symmetric matrices by computing their matrix correlation and then plotting a scatter diagram.

MXDOMP通过计较其相关矩阵和绘制散点图来比较了两个对称矩阵。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。