查询词典 decomposition

In this paper, we discuss the computational stability of two kinds of algorithms for solving Least-Squares problem, the normal equation method and the orthogonal decomposition methdd, and show that we can get better performance in Jater case in this aspect.

其一是基于正则方程的递推求解方法，这是目前各种自适应算法的基础；另一是正交分解算法。后者的计算稳定性要比前者高。研究了一种基本的正交分解自适应算法，并指出，如果初始条件恰当，它将得到和批处理同样的结果。

By applying the method of orthogonal decomposition of adjustment coefficient matrix in cointegation-VECM models proposed by Gonzalo and Granger (1995), this paper measures the core inflation rate of China through solving common factor of the cointegration system.

根据Gonzalo和Granger(1995)提出的关于协整—VECM模型中的调节系数阵的正交分解方法，本文通过求解协整系统中的共同因子度量了我国的核心通货膨胀率。

These factors include the number of snapshots, basis functions based on proper orthogonal decomposition mode and the ratio between large- and short-scale time steps.

本文我们将基于POD方法的Equation-Free POD方法应用到热带太平洋区域上的大尺度大洋环流的约化重力模式。

For example, one can use QR decomposition to find the orthogonal matrix B, or use the orthogonal projection matrix of A as B.

例如，人们经常使用的QR分解方法找到正交矩阵B，更直接地，B可以取为矩阵A的正交投影矩阵。

It is proved that a signal can be decomposed into the linear superposition of a series of component signals by singular value decomposition using these two kinds of matrices. However, the component signals obtained by the first kind of matrix are orthogonal with each other, while those obtained by the second one are correlative with each other.

文中从理论上证明了在这两种矩阵方式下，奇异值分解都可以将信号表示为一系列分量信号的线性叠加，但是第一种矩阵获得的分量信号是彼此正交的，而第二种矩阵获得的分量信号则不具有正交性。

In the terms of methodology, this paper firstly apply the method of orthogonal decomposition of adjustment coefficient matrix in cointegation-VECM models proposed by Gonzalo and Granger (1995) and methodologies proposed by Gonzalo and Granger (1995) and by Darrat and Zhong (2002) respectively in China\'s academic circles.

2在方法论上，本文在国内学术界首次使用了Gonzalo和Granger(1995)有关协整—VECM模型调节系数阵的正交分解技术，以及Gonzalo和Granger(1995)、Darrat和Zhong(2002)提出的检验协整系统中的长期驱动力和短期驱动力的方法。

A new algorithm for decomposition of mixed pixels based on orthogonal bases of data space is proposed in this paper.

本文提出一种新的基于数据空间正交基的多通道遥感图像混合像元分解算法。

Based on the analysis of conventional phase difference detection method,a new algorithm of phase difference detection is presented according to Fourier series decomposition method and the characteristic that inner product of two orthogonal vectors in a linear space is zero.

在分析现有相位差检测算法的基础上，应用Fourier级数分解方法与线性空间中正交向量内积为零的特性，推导出了一种新的相位差检测算法。

Heuristic algorithms are needed to solve the NP-complete problems, which is the method of this paper to study the packing problems. On the basis of lots of tests and the wide research on the packing problems, a heuristic algorithm based on objective and orthogonal decomposition of space is developed to solve the non-guillotine packing problem.

沿着这一优化问题解决的路经，在研究分析现有布局启发式算法的基础上，通过大量布局实验并不断地总结，提出了基于目标和空间正交分解的布局启发式算法，解决布局过程中的非一刀切布局问题。

In order to improve the query precision further, we employ the Singular Value Decomposition techniques to convert the high dimensional proximity vector space into low dimensional orthogonal concept space to match the documents more accurately.

为了进一步提高邻近关系模型特征表示的准确性，我们使用单值分解技术，将高维邻近关系空间转化为正交的低维特征语义空间，消除邻近关系的次要特征对信息检索精度的影响，进一步提高基于邻近关系模型的信息检索精度。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。