Subsequently, we study some unitary dilation of con-traction by using the method of constructing block matrix.
其次通过构造分块矩阵的方法研究了压缩矩阵的几种酉膨胀。
From this point of view, we can concisely and intuitively introduce the multiplication principles of elementary matrix and block matrix.
用变量的线性替换解释矩阵乘法，由此可以简洁而且直观地导出初等矩阵和分块矩阵的乘法原理。
Four interesting formulas for the block matrix inversion are derived from equivalent transformations of multi-port network parameters in this paper.
在对多端口网络参数的等效变换中，得到了几个有趣的分块矩阵求逆公式。
We put block matrix method in the calculation of Higher-order determinant in this article and give some calculating formulas, methods of calculation, condition of calculation and skills.
作者将矩阵分块法应用到高阶行列式的计算中，并给出了几个计算公式、算条件及方法和技巧。
This paper is devoted to the gaining of a formula for calculating the generalized inverse of the block matrix which has a special shape and discussing its application in survey adjustment.
本文推导了一种特殊形式的广义逆分块计算公式，并探讨了它在测量平差中的初步应用。
Instead, scientists will have to figure out how to block movement in select locations, like in the extra-cellular matrix around growing tumors.
科学家必须解决如何抑制某些部位的运动，比如恶化的肿瘤周围的细胞外基质。
The stationary condition and stationary queue length distribution are given in terms of matrix iterative solution. Block probability and block time probability distribution are given.
给出了排队平稳条件以及用矩阵迭代法得到了平稳队长分布和受阻概率分布。
With respect to numerical values, it is suggested that to adopt methods of matrix block structure and sequential orthogonal triangularization, can save computer storage.
在数值方面，本文还提出了利用矩阵的块结构采取顺序正交三角化的方法，减轻了内存的困难。
This new method reduces the computational complexity by using the block tridiagonal structure of the input sample correlation matrix, and at the same time keeps the property of fast convergence.
在保持了该算法快速收敛优点的同时，利用相关矩阵块三对角的特殊结构，降低了该算法的计算复杂度。
By the linear theory in the max-algebra, it presents the block network iterative method which is independent of the dimension of system matrix.
用极大代数意义下的线性系统理论提出了一种与系统矩阵维数无关的，模块网络迭代法。
Experiments demonstrated that the color block co-occurrence matrix descriptor considerably improves the retrieval performance and can combine the feature of color and texture effectively.
实验结果表明，彩色子块共生矩阵描述子能够有效地结合颜色和纹理特征，具有良好的检索性能。
The relevant terminology, block and matrix characteristics, genetic mechanism, palaeogeography and tectonics are discussed in this paper together with their distinction from melanges.
笔者讨论了其术语、岩块、基质特征、形成机制和古地理古构造条件，并列表分析了它与混杂堆积的区别。
Subdividing one large block into smaller subunits that can be handled more conveniently, e. g., partitioning a matrix.
把一个大的数据块(例如一个矩阵)划分为若干较小的子单元块以便于处理的过程。
It is indicated by the research that making up driving matrix of MLA-LCD by Orthogonal Block Circulant matrix can make the design scale down from square of matrix dimension to matrix dimension.
研究表明：由正交块循环矩阵构造出的多路寻址驱动矩阵的实现复杂度由原来的与矩阵的阶数平方成正比下降为与矩阵的阶数成正比。
A new algorithm of solving block tridiagonal systems is proposed, which is based on the special factorization of block tridiagonal matrix.
根据块三对角矩阵的特殊分解，给出了求解块三对角方程组的新算法。
In addition we present a new column partition strategy, based on the estimate of column-dependence of each block, to divide the coefficient matrix a.
另外还提出一种新的对系数矩阵a分块的列分解策略，该策略基于每块的列相关性估计而得出。
With the LU decomposition of the block tridiagonal matrix, an explicit expression of the block inverse elements is obtained.
由块三对角矩阵的LU分解，得到了其逆矩阵块元素的显式表达式。
G matrix or H matrix can be linear block code encoding and decoding.
矩阵或H矩阵可以进行线性分组码的编码和译码。
Methods and tools such as block diagrams, matrix and flowcharts can be used to support the development of process sequences and their interactions.
各种方法和工具，诸如方块图、矩阵图、流程图都能用来支持过程顺序以及过程和过程相互作用的开发。
The factors influencing matrix block recovery can not change the fact that a large amount of remaining oil is left in the pore and throat space.
随着底水驱替速率增加，水沿着阻力最小的大型裂缝迅速突破，各种影响基质岩块采出程度的因素，都改变不了剩余油大量滞留于这部分孔喉空间的事实。
This paper proposes a matrix based substitution permutation network as the model of block cipher.
论文提出了一种基于矩阵的代替置换网络模型。
Low Density parity check (LDPC) codes are a kind of linear block codes approaching Shannon limit. They can be constructed either with spare parity-check matrix or with factor graphs.
LDPC码是一种可以接近香农限的线性分组码，可通过稀疏奇偶校验矩阵来构造，也可以用因子图来构成。
It is proved that the stiffness matrix of the finite element solution is a block diagonal matrix and its elements are some symmetric and block circulant submatrices.
证明了有限元求解的刚度矩阵是一个块对角阵，且其子矩阵是某种对称、块循环矩阵。
A new algorithm of solving circulant block tridiagonal systems is proposed, which is based on the special factorization of circulant block tridiagonal matrix.
本文根据分块循环三对角矩阵的特殊分解，给出了求解分块循环三对角方程组的一种新算法。
Based on the block bordered diagonal matrix structure, this paper presents a new discrete decomposition algorithm for the reactive-power optimization in a multi-area power system.
基于对角加边矩阵结构，提出了一种新的多区域电力系统离散无功优化分解算法。
We introduced the concept of block directed edge cover diagonal quasi dominant matrix, obtained a new nonsingularity criteria for matrices and distribution theorem on eigenvalues of matrix.
引进了拟块有向边覆盖对角占优矩阵概念，给出了新的矩阵非奇异判定定理和特征值分布定理。
This paper introduces a completely nonsingular matrix based substitution permutation network that can effectively improve the performance of the block cipher against linear cryptanalysis.
论文介绍了一种基于全非奇异矩阵的代替置换网络，它可有效的提高分组密码抗线性密码分析的能力。
This paper starts from the physical processes of cascade speed control system and derives several groups of elementary electromagnetic equation, dynamic block diagrams, and matrix equations.
本文从串级调速控制系统的物理过程出发，推求出几组基本的电磁方程、动态结构图及矩阵方程。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.
设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。
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