查询词典 involutory matrix

When specific analysis, on the beginning of ,we study the banded Toeplitz matrices, and then to discuss the Wiener class of Toeplitz matrix, from simple to complex, step by step and in depth.

具体探讨中，从限制严格的带状Toeplitz矩阵开始，再到维纳类Toeplitz矩阵的讨论，由简到繁，逐步深入。

Under the helix boundary condition, the Helmhotz matrix has Toeplitz structure with positive definite property.

在螺旋边界条件下，该矩阵H具有Toeplitz结构的正定厄密矩阵，其快速求逆可由谱法LU分解或直解法快速实现。

Firstly, the mode space transformation is used to transform the UCA into a Virtual ULA. On this base, a Toeplitz matrix can be reconstructed. Then EigenSpace-Based beamforming is applied to suppress the coherent interference successfully.

该算法在对均匀圆形阵列的输出信号进行模式空间转换的此基础上，重新构一个特殊的Toeplitz矩阵，然后进行基于特征空间的波束形成，可以有效地抑制相干干扰。

Levin pine Act TOEPLITZ symmetric matrix solution composed of linear equations, fewer iterations, the computational complexity is at the end of time, and the calculation accuracy is very high, is a very good way!

详细说明：列文松法解对称TOEPLITZ矩阵组成的线性方程组，迭代次数少，计算复杂读很底，且计算精度相当高，是一种非常好的方法！

Firstly, the mode excitation method is used to transform the UCA in element space into a virtual ULA in mode space. Then a Toeplitz matrix can be reconstructed to estimate DOA of coherent signals successfully.

该算法对均匀圆形阵列的输出信号进行模式激励，使其成为模式空间内的虚拟阵列；在此基础上重构一个Toeplitz 矩阵，成功地估计出相干源的来波方向。

An obvious appproach to study the properties of Toeplitz matrix is to approximate them by sequences asymptotically equivalent of circulant matrices and then applying the results developed thus far.

在研究Toeplitz矩阵的性质时用循环矩阵来渐进等价或近似能得到很好的结果，这样有关循环矩阵和渐进等价等结论能够运用到Toeplitz矩阵的讨论中。

Correlation and signal-to-noise ratio of the space sources can affect the resolution of DOA estimation of subspace algorithms. Using this relation, the algorithm changes the correlation and SNR of the equivalent sources by processing the Toeplitz matrix based on the Toep-MUSIC algorithm, so that the resolution of DOA estimation can be improved.

改进算法利用信源间相关性和信噪比对子空间类DOA估计算法分辨力的影响，在Toep-MUSIC算法基础上，通过对Toeplitz重构矩阵的处理，改变了等效信源的相关系数和信噪比，从而使DOA估计分辨力得到提高。

In addition, we make use of the Trench algorithm to save the computation complexity of the Toeplitz matrix inversion required in the proposed algorithms, The Trench algorithm needs only O.

再者可以利用Trench演算法来搭配实现Toeplitz反矩阵进而只需要O的运算量。

But the residual cells were survival and secreted metachromatic staining proteoglycan with toluidine blue, which was characteristic cartilage matrix.

但剩余的少量细胞成活，形成类似的软骨陷窝并分泌甲苯胺蓝异染的软骨基质。

The theory of graphs and relations between the spectra and fixed variate (e.g. chromatic number, degree sequence, diameter and connectivity) of graphs by means of the well-developed theory and technique of algebra, topological structure properties of graph, combination and matrix theories so as to establish firm essential relation between the algebraic properties and topological properties of graphs and networks.

图谱理论的研究主要是利用成熟的代数理论和技巧，并结合图的拓扑结构性质和组合数学的理论、矩阵理论来研究图谱及其与图的结构性质、图的其它不变量(如色数，度序列，直径，连通度等)之间的关系，将图与网络的代数性质与图的拓扑性质紧密地联系在—起。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。