查询词典 coefficients

Defining a matrix of import coefficients, the above expression means that all non-diagonal elements of Q describe imports to country j from each country i expressed as a proportion of j's gross national product.

在定义一个进口系数的矩阵Q时，上述公式应理解如下，Q中所有非斜线部分的元素表示的是J国从各国I的进口货值，表述为国民生产总值的一部分。

According to a typical OFDM signal model, this paper proves that the coefficients matrix of the intercarrier interferenceis a unitary matrix whose inverse matrix is much easier to get, and then proposes a new ICI cancellation method with less computation complexity based on sending pilot symbols.

根据一种典型的OFDM系统模型，证明了载波间干扰系数矩阵为酉阵，并利用其容易求逆的性质，提出了一种基于发送训练码的ICI消除方法，以较小的计算复杂度对接收信号进行处理来消除ICI。

This approach was based on the NonSubsampled Contourlet Transform. The means and variables of NSCT coefficients matrix in different subbands and various directions were extracted to form the feature vectors which were regarded as indexes of texture images in image database. Two similarity functions were used to compute the similarity between images. A texture retrieval system based on query image was developed.

该方法利用非下采样Contourlet变换对图像进行分解，提取不同子带和不同方向变换系数矩阵的均值和方差为特征向量，作为数据库中纹理图像的索引，并利用两种不同的相似度函数计算图像之间的相似度，建立了一套基于示例查询图像的纹理图像检索系统。

In this paper,new quadratic PEk method and quadratic EPEk method are given for solving a system of linear algebraic equations whose matrix of coefficients is tridiagonal blocked matrix.

建立求解系数矩阵为分块三对角矩阵的线性代数方程组的新型二次PEk方法以及其外插迭代二次EPEk方法，对系数矩阵为对称正定矩阵情形，证明了新型二次PEk方法和二次EPEk方法的可解性和收敛性

To extract the parameters in partial coefficients matrix of potential efficiently in silicon substrate integrated circuits, an approximated closed-form three-dimensional multilayered Green's function is derived with a modified complex fitting the exponential function method in spectral domain.

为了有效地提取硅衬底集成电路中导体单元之间的电位系数矩阵，在谱域中采用了改进的复数拟合指数函数方法，导出了三维有耗多层介质中的近似闭式格林函数。

Then the matrix of all demand coefficients , that is the extended Leontief converse matrix, is introduced under the condition of including coal resources department and pollution department and the general model of demand prediction of coal resources was concluded.

结合陕西省软科学研究课题"陕西省煤炭资源的可持续发展研究"，作者以2001年数据资料为依据，编制出陕西省2001年煤炭资源投入产出表，建立陕西省2001年煤炭资源投入产出数学模型。

During the T-matrix method of calculating light scattering by particle, incident and scattered fields are expand into spherical vector wave functions: which, via their relationship derived from the Maxwell equations, leads to the T-matrix, a transferring matrix between expansion coefficients of fields.

在粒子光散射计算的T矩阵方法中，将入射场和散射场用球矢量波函数展开，通过Maxwell方程推出二者之间的关系-零场方程，可获得散射场和入射场展开式系数之间的传输矩阵-T矩阵。

In incorporation with Jilin province science and technology department item "Study of Industry Technological Advance Systemic Effect and Frame of Jilin Province industry Technology Incidence Establishment", about national interindustry incidence relation ,research is carried out in the paper as follows:On the base of national 1997 years input-output production table ,figures out direct consumption matrix of coefficients and matrices of middle input rate.

本文结合吉林省科学技术厅课题《产业技术进步系统效应及吉林省产业技术关联表编制框架研究》对我国的产业关联关系做了如下研究：在我国1997年投入产出表的数据基础上，计算出直接消耗系数矩阵及中间投入率矩阵，并将图分析法用于产业间关联关系的研究中；在计算完全消耗系数矩阵后，计算出各产业部门的感应度系数和影响力系数，并做了波及效果分析；本文经过对各种测算技术进步方法的比较，首次采用前沿生产函数中的数据包络分析方法分析投入产出模型中的产业间技术关联；机械设备制造业具有较高的物质关联性和技术关联性，同时波及效果显著，把含有高新技术的机械设备制造业作为主导产业发展，可以提高整个工业的技术装备水平。

Consider singular growth curve model as follows : Y = ABC + E , where A , C are all known matrices, B is an unknown matrix of regression coefficients , Y is a matrix of observations and E =(1,(2),... is matrix of random errors .

考虑奇异增长曲线模型：Y=ABC+E，其中A、C均为已知矩阵，B是未知回归系数阵，Y为观测资料阵，E=ε_((1)…ε_(n′为随机误差阵，假定Eε_(iε_(i′=∑，i=1，2…n，Eε_(iε_(j′=0，i≠j，这里∑≥0。

Consider singular growth curve model as follows : Y = ABC + E , where A , C are all known matrices, B is an unknown matrix of regression coefficients , Y is a matrix of observations and E =(1,(2),...

中文摘要：考虑奇异增长曲线模型：Y=ABC+E，其中A、C均为已知矩阵，B是未知回归系数阵，Y为观测资料阵，E=ε_((1)…ε_(n′为随机误差阵，假定Eε_(iε_(i′=∑，i=1，2…n，Eε_(iε_(j′=0，i≠j，这里∑≥0。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。