The structural constants form a cube matrix,which determine the structure of algebra A .
对于有限维代数及余代数 ,基上的积 (或余积 )给出了该代数 (余代数 )的结构常数 ,这些结构常数构成一个立方阵 ,这个立方阵完全决定此代数 (余代数 )的结构 。
In this paper, we introduce the concepts of structural constant and the cube matrix formed by those constants of finite algebras and coalgebras: Assume αl,α2,.
本文引入有限维代数及余代数的结构常数及由结构常数构成的立方阵的概念：设α_1，α_2…，α_n是某n维代数 A(余代数 C)的一组基，且α_iα_j=(sum from k-1 to n)μ_(ij)~kα_k(△(α_k)=(sum from ij)μ_(ij)~k(α_i α_j)) 则称μ_(ij)~k为代数 A(余代数C)的结构常数；由这些结构常数可构成一n×n×n立方阵。
In this paper, we use plane wave algorithm to study the band gap structure of 2D phononic crystal with square lattices.
采用平面波算法研究了二维正方点阵声子晶体的禁带结构。
The plane wave expansion method is introduced to calculate the band gap for two-dimensional solid phononic crystals with square lattices.
介绍了用平面波展开法计算二维正方点阵的固态声子晶体带隙的方法,研究不同截面形状的散射物对晶体带隙的影响。
Band gap structure of 2D phononic crystals with square lattices was studied by plane wave expansion method.
选取了5种不同材料组分和2组不同截面形状散射体的声子晶体作为研究对象,利用平面波展开法研究了二维固相双组分正方点阵声子晶体中z向剪切波的频率带结构,探讨了材料特性和截面形状对禁带的影响。
cubic (lattice) cell
立方晶胞,立方点阵晶格
indices of lattice plane and lattice direction
点阵平面指数和点阵方向指数
A foothold or beachhead gained by troops in enemy or neutral territory.
立足点，占领部队在敌对国或中立国境内取得的立足点或滩头阵地
Designing Matrice Fault-Tolerant Routing Algorithms on Hypercubes Networks with a Large Number of Faulty Nodes;
具有大量错误结点的超立方体网络基于矩阵容错路由算法的设计与讨论
the uncommitted countries
中立国(不属于东西两阵容的任何一方)
Application of Three-way Data Resolution Algorithms to the Analysis of Complex Multicomponent Fluorescent Chemical Systems;
立方阵分辨算法及荧光体系应用研究
Maps Preserving Tripotent on Several Classes of Matrix Spaces over Field
域上几类矩阵空间保立方幂等的映射
Maps on 2×2 matrix algebras preserving tripotence over fields
域上2×2矩阵代数保立方幂等的映射
The nodal matrix now has the convenient form.
现在结点矩阵具有下面方便的形成。
Based on Windows Font Library Picking up Pixel Data of Word
基于Windows字库的点阵数据提取方法
Maps preserving tripotence from 2×2 symmetric matrix space to 2×2 full matrix space
2×2对称矩阵空间到2×2全矩阵空间保持立方幂等的映射
A Synthesis Method of Antenna Pattern Based on the Fourier Transformation;
一种基于傅立叶变换法的天线阵综合方法
Study on setting up stiffness matrix of dynamic analysis model for tower structure
塔架动力分析模型刚度矩阵建立方法的研究
Some results on idempotency and tripotency of linear combinations of matrices
矩阵线性组合幂等性及立方幂等性的一些结论
DOA Estimation Method Using Arbitrary Acoustic Volume Array and Its Error Analysis
任意立体阵的方位估计算法及其误差分析
Fundamental Matrix Estimation Method Based on Fast Stereo Matching
基于快速立体匹配的基本矩阵估计方法
Methods for patterning hole or dot arrays with coherent laser beams
用相干激光束曝光孔点阵列图形的几种方法
Method of Infering Main Performance Index of Amplifiers by the node admittance Matrix
用节点导纳矩阵推算放大电路性能指标的方法