The reconstructed image quality of electrical capacitance tomography ( ECT) system is heavily affected by the ill-posedness problem, so the condition number of the sensitivity matrix must be decreased. 电容层析成像(ECT)系统的不适定性问题严重影响重建图像质量,为此必须减小灵敏度矩阵的条件数。
The stability of the reconstruction procedure is discussed using the condition number of matrix, and the theoretical maxima of the refraction angle and USAXS distribution width are given. 利用矩阵条件数对方程求解的稳定性进行了讨论,推导出理论上的折射角和小角散射宽度的最大值。
Furthermore, the elastoplastic theory always minimizes the actual unbalanced force or reinforced force in the sense of a condition number in the norm of complementary energy. 不平衡力就是两应力场差值在结点上的集中体现,故在总余能范数的意义上,按弹塑性本构关系确定的不平衡力或加固力是最小的。
Sobolev-Riesz Condition Number of Spline Wavelets 样条小波的Sobolev-Riesz条件数
The condition number, defined below, is changed by scaling the matrix. 调整矩阵的比例就改变了下面定义的条件数。
ILUT preconditioner is used to reduce the prove condition number on the linear system and speed up the convergence iterative method. ILUT预处理算法被用来降低方程组系数矩阵的条件数,加快迭代法的收敛速度。
The condition number was used in quantitative calculation of the observability in satellite formation flying system. 文章将条件数应用于编队卫星系统的可观测度的定量计算;
The red and black ordering method about the coefficient matrix of a class of linear equations and the condition number of schur complement matrix deduced from red and black matrix are studied. 研究了一类线性方程组系数矩阵的红黑排序方法,以及由红黑排序矩阵导出的舒尔补矩阵的条件数。
Research of the condition number of matrix in multi-parameter measurement FBGs 矩阵条件数应用于FBG传感器多参数测量研究
The methods to choose the splitting factors, reduce the condition number of stiffness matrix, improve the precision of solutions and conquer ill-conditioned problem are also discussed. 研究了选择分裂因子的方法,讨论了降低刚度矩阵的条件数、改善解的精度以及克服病态问题的方法。
Because of the preconditioner, the condition number of the coefficient matrix is largely improved. 由于预条件器的使用,系数矩阵的条件数得到了很大改善。
QR decomposition can improve the condition number of a matrix and then improve the numerical stability. QR分解可以改善矩阵条件数,从而提高数值稳定性。
Several preconditioning techniques have been used to reduce the condition number of the operator equations. 文中采用了几种预条件技术来降低算子方程的条件数。
Two approaches to reduce the element value and condition number of matrix are proposed. 本文还提出降低矩阵元素值大小和矩阵条件数的两种方法。
In the analysis, the concept of condition number of matrix is used. 在分析中,使用了矩阵条件数概念。
The condition number of sensitivity matrix is a key factor that influences the performance of InSAR calibration. 敏感度矩阵的条件数是影响干涉合成孔径雷达(InSAR)定标性能的重要因素。
The condition number of calibration matrix is an important appraisal index of the multi-dimensional sensor. 标定矩阵条件数是多维传感器的重要评价指标。
Application of Condition Number in Analysis Observability of System 条件数在系统可观测性分析中的应用研究
Applications of Condition Number to the Numerical Analysis in Identification of Large Scale Systems 条件数在大系统辨识数值分析中的应用
With bad matrix condition number, the proposed algorithm can also be used for the spectral estimation. 同时,在信号自相关矩阵条件数不好时,该算法仍然可以进行信号的谱估计。
The Characteristics Analysis, the Condition Number and the Condition Indexes& Variance Decomposition Proportions Methods are discussed, respectively. 就基于特征系统的特征分析法、条件数法和条件指标与方差分解比法等诊断理论进行了较为详细地研究和探讨;
The author analyses how the condition number of the system matrix affects the robustness of the system. 分析了系统矩阵条件数对控制系统鲁棒性的影响。
Secondly, periodic wavelets are applied to single and multiple scattering by electric field integral equation and magnetic field integral equation. Preconditioning method based on physical optics is presented, and it reduces the dimensions and condition number of impedance matrix. 其次,使用电场和磁场积分方程,实现了周期小波在金属单目标和多目标散射中的应用,并提出了对小波基函数的物理光学预处理方法,有效降低了阻抗矩阵的维数和条件数。
Condition number is a very important concept in the matrix theory. 矩阵条件数是矩阵理论中一个非常重要的概念。
The basic theory of inverse problem has been discussed, and the causes of ill-conditioning of inverse problem have been analyzed. It was also discussed the condition number method in ill-conditioning analysis. 介绍了逆问题基础理论,分析了逆问题病态性产生的原因,介绍了病态性分析的条件数法。
The backward errors and condition number are the two basic concepts on numerical algebra. 在数值代数中,向后误差和条件数是两个基本概念。
This article researches the structured condition number on KKT system, for a special KKT system, the structured sensitivity is also considered. 本文主要研究了KKT系统的结构条件数,而且对于一类特殊的KKT系统,研究了它的结构敏度方面的问题。
A method with the optimum stability to select the principal control matrix by the best condition number is suggested. 提出了用最优条件数选取主控矩阵的方法。
The two diagonal triangle matrix condition number is also studied. 还对两对角矩阵条件数进行了研究。
Through condition number and numerical rank of the response matrix, the ill condition of identification equation is studied. 借助于反应矩阵条件数和数值秩的概念,对识别方程的病态及其影响因素进行理论分析和数值研究。