It was found that the material A2 with micrometer matrix strengthened by sub-micrometer second phase had the best comprehensive mechanical properties.
发现在微米级基体中掺入纳米级颗粒第二相的材料a2的综合力学性能最佳。
Proposition that the inverse matrix of the sub transposed matrix is similar to the sub transposed matrix.
用次转置矩阵与次对称矩阵等概念推出了次转置矩阵的逆矩阵与次转置矩阵相似等有关命题。
High density dislocation pile-up lies in the interface of the matrix and the second phase, which induces the sub-structure fining of the matrix.
在基体与析出相的界面上存在高密度位错堆积,从而引起基体金属亚结构细化。
Based on the kinematics equation and the orthogonal character of the rotation sub-matrix in a transformation matrix, an approach to the inverse kinematics problem of 6r robots is proposed.
以机器人运动学方程为基础,基于变换矩阵中旋转子矩阵正交的特性,提出一种6r机器人运动学逆解算法。
The problem of matrix extension is to construct matrices with a given matrix or a several given matrices as its sub-matrices under some constrained conditions.
矩阵扩充问题是当给定一个或多个子矩阵,在某种约束条件下构造矩阵的问题。
This paper gives a new method of finding the minimal sub-tree and gives the method of finding the matrix of minimal path weight.
本文给出了求最小部分树的一种新方法,同时给出最短路权的矩阵求法。
A feasible tie-line set were developed on the base of adjacent matrix, path matrix and path sub-matrix.
结合图论中的邻接矩阵,提出路径矩阵和路径子矩阵的概念及形成方法,进而提出求取可行联络线集合的算法。
On the base of strongly sub-orthogonal matrix, given the concept of sub-strongly sub-orthogonal matrix, obtained its properties.
在强亚正交矩阵的基础上,给出了次强亚正交矩阵的概念,讨论了次强亚正交矩阵的一些性质。
The concept of local double diagonally matrix is introduced in this paper, and three sufficient conditions of the generalized sub-diagonally dominant matrices are obtained.
提出局部次对角占优矩阵的概念,得到了广义次对角占优矩阵的二个充分条件。
In order to solve the greatly dimension of word frequency and sparse matrix, this paper proposes a multi-document summarization method based on sub-topics area partition.
为解决词频矩阵的词频维数过大和矩阵过于稀疏的问题,提出一种子主题区域划分的多文档自动文摘方法。
In this paper, based on the fourth-order cumulant matrix, a new sub-space decomposition algorithm is proposed for the EEG inverse problem.
基于四阶累积量矩阵的子空间分解,提出了一种新的脑电逆问题算法。
The paper discusses sub-diagonal and real anti-sub-symmetric matrix, and gives several properties of these two kinds of special matrix.
针对次对角矩阵与实反次对称矩阵进行了讨论,给出了次对角矩阵的特征值、实反次对称矩阵的次特征值及次特征向量等的性质。
Stiffness matrix of the piles was given, including bending and shear deformation effects. The damping of the entire structure was calculated using the damping of each of the sub-structures.
推导同时考虑弯曲变形和剪切变形时的群桩刚度矩阵,采用分别计算各子结构阻尼的方式来考虑整个结构的阻尼,并采用等效线性化原理来考虑土体的非线性。
With an eye to the character of the ordered successive interference cancellation (OSIC) detector based on restructured channel matrix, the as is achieved by optimizing the poor sub signal stream.
该算法考虑了GLST结构的重构排序连续干扰消除检测的特点,通过使最差一层的信号流性能最优实现天线子集的选择。
The relationship matrix, relationship intensity matrix and its reachable matrix between the function set and the sub-system set are set up, therefore the system structure is established.
关系矩阵,关系强度矩阵及其可达矩阵之间的函数集和副系统集都成立,因此,该系统的结构建立。
The relationship matrix, relationship intensity matrix and its reachable matrix between the function set and the sub-system set are set up, therefore the system structure is established.
关系矩阵,关系强度矩阵及其可达矩阵之间的函数集和副系统集都成立,因此,该系统的结构建立。
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