查询词典 The Matrix

The matrix decomposition plays very important role in matrix theory,especially in the study of perturbation analysis of matrices.

矩阵分解在矩阵理论中有着极其重要的作用，尤其在矩阵的扰动理论研究中。

First, for state estimation problem of the linear stochastic systems with uncertainties in both the state matrix and the noise matrix, a new satisfactory estimator is constructed with stochastic theory, which can guarantee that estimator error system with bounded perturbed model parameter satisfies the constraint indexes that is given. Thus a sufficient condition of solving satisfactory estimation is obtained; secondly, the algorithm of designing satisfactory estimator is presented by analysis.

首先，根据满意控制思想，针对一类在状态矩阵及噪声矩阵中均含有不确定性的随机系统，设计一种满意估计器，使预测误差系统在模型的参数发生扰动时，依然满足预先给定的设计约束指标，得到了满意估计问题求解的充分条件；然后根据分析给出了满意估计器设计的算法。

The basic conception of the photopolymerization reaction, the constitution of the photopolymerization resin matrix and the kinds of the reinforced material s in the photopolymerization resin matrix composites were introduced.

介绍光固化反应的基本概念、光固化树脂基体的组成及光固化树脂基复合材料用增强材料的种类。

Based on finite element method of flexibility and approximate expression of the structural flexibility matrix changes due to structural damages by first class Tayler approximate expansion of structural physical parameters of the initial flexibility matrix, the new damage identification method was put forward.

在采用柔度阵法进行结构损伤识别研究中，从柔度阵出发，进行结构有限元分析。通过对损伤引起的结构柔度阵的变化在初始柔度阵处关于结构物理参数的一阶泰勒近似，首次提出了一种基于有限元分析的结构损伤识别的柔度阵法。

Some general methods dealing with polarized light in LCD such as Jones Matrix, Berreman 4×4 Matrix, and Poincare description of polarized light, were introduced.

液晶显示涉及到的材料和器件参数较多，优化设计和新器件的开发仅靠实验摸索是不可能的。

When the IPR method is used in the cases that there are few sources with same frequency, the matrix composed of noise eigenvectors is processed complexly. So we construct the matrix for computing the coefficient of polynomial with signal subspace.

针对IPR算法在信号较少时，噪声特征向量构成的矩阵计算量较大的问题，改进算法从信号子空间出发求出构造多项式的系数，从而求得到达角。

In fact, we present the characterization of multiscaling functions and multiwavelets with the desired symmetry in terms of matrix filter and polyphase matrix.

我们表明这种矩阵的扩充总是可解的并给求解这种仿酉矩阵的对称扩充的计算方法。

optical fiber coupler, scattering matrix ; output phase difference; Hermite quadratic form ; positive definite matrix

利用其散射矩阵为酉矩阵的么正性不难证明，2×2耦合器输出相位差恒为90°，与输出功率比无关，而耦合区具有旋转对称结构的3×3耦合器的输出相位差完全取决于输出功率比，特殊地，当等分功率输出时，输出

Positive definite matrix occupies a very important position in matrix theory, and has great value in practice.

正定矩阵在矩阵论中占有十分重要的地位，在实际中也有广泛的应用价值。

In the matrix theory, n-order real symmetric positive definite matrix is important to the study of inequality.

n阶实对称正定矩阵在矩阵理论中，对它的不等式研究具有有十分重要的意义。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。