matrix n. (pl. matrices 或matrixes) 1.【解剖学】子宫;母体;发源地,策源地,摇篮;【生物学】衬质细胞;间质;基质;母质。 2. 【矿物】母岩;脉石;【冶金】基体;【地质学;地理学】脉石;填质;杂矿石。 3. 【印刷】字模;型版,纸型;铸型,阴模。 4.【阵】(矩)阵,方阵;母式;【物理学】间架;【无线电】矩阵变换电路。 5.【染】原色〔红黄蓝白黑五种〕。 the matrix of a nail 【解剖学】指甲床。
The lumped mass matrix is a diagonal matrix . 集中质量阵是一个对用阵。
The square matrix is called a diagonal matrix . 该方矩阵称为对角矩阵。
The scaling operation consists of multiplying the transformation matrix by a diagonal matrix whose elements are 缩放操作包括将变换矩阵乘以其元素为(
We call a matrix the generalized cyclic matrix if it can be written the product of a nonsingular diagonal matrix and a cyclic matrix 摘要可表为非奇异对角矩阵和循环矩阵乘积的矩阵,我们称其为广义循环矩阵。
When the measurement noise covariance is certain matrix that can be transformed to a diagonal matrix by matrix resemble transform , the dissertation develops optimal centralized and distributed fusion estimate 对于测量噪声相关矩阵是确定的,且该矩阵可以通过相似变换变成对角阵的多传感器系统,给出了最优集中式、分布式融合估计。
Thesis [ 36 ] generalized multiplicative noise into a diagonal matrix . but it is also an idealized assumption . the above assumptions are n ' t in accordance with the practical instance in most cases 文献[ 36 ]虽然将乘性噪声推广为对角阵的情况,给出了多通道乘性噪声意义下的最优估计算法,但文章对通道特性做了一种较为理想化的限制。
Diagonal matrix , model inverse and incomplete state feedback method were discussed to decouple the attitude , and poles configuration was adopted to improve the control system dynamic response for the last method 为实现内回路的姿态解耦,探讨了对角矩阵法、模型逆及不完全状态反馈三种控制律的设计,并运用极点配置对不完全状态反馈方法进行了补充,提高了控制系统的动态响应特性。
The algorithms do not use any pivotal operation , but use the generalized ( e , d ) - active constraint set to determine the generalized projection matrices . the diagonal matrix of the projection matrix is a new construction method and it is the main function to insure the finite termination 算法不使用任何转轴运算,仅用( , ) ?积极约束集确定广义投影阵,该投影阵中的对角阵是一种新的构造方法,它在保证算法的有限步收敛中起十分重要的作用。
The proposed algorithm lows the complexity by choosing decision delay in advance and then making solution of the equalizer tap coefficient , a new decision delay choice method is proposed , solution by using weight method , diagonal matrix transform , z extension and a new energy restrictive condition which restrains noise enhance , a new decision delay choice method is proposed , the simulation result shows that the proposed algorithm has better equalization effect and enhanced performance comparing to the general mmse algorithm , simulation research on the precision and dynamic scope of parameters in digital realization time domain equalization algorithm , design software and hardware of time domain equalizer . fourthly , there exist a lot of interfere in dsl line , especially , dsl works in multi - user mode , the near end interference is serious 通过先选择判决时延,再进行时域均衡器抽头系数求解的方法降低了时域均衡计算复杂度;对于均衡器抽头系数的求解使用了加权技术,通过对角矩阵变换, z扩展,使用不同的能量约束条件对算法求解,结果表明这种约束有效的抑制了噪声增强,与常用删se比较,该算法有更佳的均衡效果,算法性能得到了提高:论文还对数字化实现时域均衡算法中每一部分参数的精度、变量的动态范围进行了模拟研究,对时域均衡的软硬件实现进行了设计。
On the other hand , in the approach based on vector - matrix , through several special operations on vector - matrix , we have constructed a sparse ‘ 0 ’ , ‘ 1 ’ parity - check matrix with dual diagonal matrix whose structure can easily construct the code . the simulation results have demonstrated the performance of this approach is similar to that of - rotation while the complexity is also higher . this problem is to be solved in the future research 在基于矢量矩阵的结构化方法中,通过对矢量矩阵进行一系列特殊处理可以构造出稀疏的‘ 0 ’ 、 ‘ 1 ’校验矩阵,而校验矩阵中的双对角结构易于构造出相应的ldpc码字,仿真表明,采用矢量矩阵的结构化方法具有和-旋转构造法相当的性能,但是实现的复杂度大于-旋转构造法,同时码率和码长受到一定的限制,这也是未来需要研究的方向。
a square matrix with all elements not on the main diagonal equal to zero
百科解释
In linear algebra, a diagonal matrix is a matrix (usually a square matrix) in which the entries outside the main diagonal (?) are all zero. The diagonal entries themselves may or may not be zero.