The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.
把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
LU decomposition is a triangular decomposition approach of non-singular matrix, and the digital image can be seen as a matrix.
LU分解是一种将非奇异矩阵进行三角分解的方法,而数字图像也可以看作矩阵。
A robust stability boundary of uncertain singular systems is proposed by utilizing singular value decomposition and the character of mode matrix.
并利用奇异值分解方法和模矩阵的性质,给出了使不确定广义系统鲁棒稳定的一个鲁棒界。
Necessary cycle detection is added to avoid the singular matrix appearing after gross error compensation,. Simulation results verify the effectiveness of modified algorithm.
通过加入必要的回路检测,避免了幅度补偿后矩阵奇异性的产生,仿真结果表明了改进算法的有效性。
It is also observed that all of the available sufficient conditions can be regarded as upper bounds of the structured singular value (SSV) of a related matrix.
发现现有的稳定性充分条件都可以被看作是某个矩阵的结构化奇异值(SSV)的上界。
The quaternion matrix singular value perturbation theorem is generalized and these results are also new one for complex matrix.
本文对四元数体上矩阵奇异值摄动定理给出了推广,且这些结果对复矩阵也是新的。
Digital image is transformed into singular value matrix that contains non-zero singular values by singular value decomposition (SVD), the image is compressed.
通过对图像进行奇异值分解,将一幅图像转换成只包含几个非零值的奇异值矩阵,实现图像压缩。
The properties of suspended structure are introduced and the singular function method is used to derive the lateral displacement stiffness matrix and the dynamic equations.
介绍了悬挂结构特点,利用奇异函数方法建立了悬挂框剪结构的侧移刚度矩阵和动力方程。
A least squares solution via singular value decomposition is used to solve the matrix equation.
本文使用奇异值分解法求解矩阵方程的最小二乘解。
In seismic inversion, the inverse matrix is mostly huge singular, the ordinary methods cannot be directly used to solve the equation, and the SVD technique must be used.
在地震波阻抗反演中,其反演矩阵多为接近奇异的大型矩阵,不能用一般方法直接求解,而要用奇异值分解(SVD)方法解方程。
The Singular Value Decomposition (SVD) method for the equilibrium matrix is developed and a physical explanation is given.
引入了平衡矩阵的奇异值分解(SVD)方法并解释了其力学含义。
The stiffness matrix of a hybrid crack-tip singular element is first derived, then by use of first-order Taylor expansion the mean and variance of stress intensity factors are formulated.
文中首先给出了杂交模式的裂纹尖端奇异单元的刚度矩阵,然后基于随机场的局部平均理论和一阶泰勒展开得到了应力强度因子均值和方差的计算公式。
By using the techniques of the matrix decomposition and the system transformation, the set-valued filtering for stochastic singular linear systems is also designed.
利用矩阵分解和系统变换的技巧,得到广义随机系统的集值滤波方程。
In this thesis, we choose truncated singular value decomposition to solve the resulting matrix equations, while the regularization parameter of TSVD is determined by the L-curve criterion.
鉴于此,必须采用正则化方法,本文中选用的是截断奇异值分解,其正则化参数用l -曲线准则来确定。
Because the stiffness and damp matrices are spare and unbalance, especially the stiffness matrix is singular, the solution for the vibration equation becomes very difficult to be obtained.
系统振动方程的自由度多达几百,阻尼阵不为零,因此刚度阵的奇异使方程的求解更加困难。
The reason of the non-turning point failure is that some nonsingular points of original system are translated to the singular points of the extended Jacobian matrix by the parameterization.
造成非临界点失败的原因是参数化使得原系统中的非奇异点变为系统扩展雅可比矩阵的奇异点。
The margin is evaluated by the minimum singular value of return deference matrix of system.
研究了一种适于工程实践的多变量稳定裕度法——基于回差矩阵奇异值的稳定裕度分析法。
The effects of posture changes on the accuracy of robot have been studied when the robot is in non-singular posture, namely the determinant of inverse Jacobi matrix is not close to zero.
研究机器人处于非奇异位姿即逆雅可比矩阵行列式不接近零时,位姿变化对机器人精度的影响。
The relationship between the eigenvalue, eigenvector and the rank of the product of matrices AB and BA is discussed, and the factorization of the singular values of matrix a is obtained.
讨论了矩阵乘积ab与BA的特征值、特征向量及秩等的关系,并得到了矩阵的奇异值分解。
By matrix operation, the invariance of image singular value vector about the reducing and enlarging transformation is proved, and this character is applied to the image matching.
通过矩阵运算,证明了奇异值特征矢量在图像做缩放变换时具有不变性,并将这种性质运用于图像匹配。
A computing method of coefficient matrix is given. For a few special points including singular points, the numerical values of solid Angle of a cylindrical bottom surface open to these special points.
对包含奇异点在内的几个特殊点给出了柱底面对这些点所张立体角的值,并给出了电测井积分方程系数矩阵的计算方法。
A computing method of coefficient matrix is given. For a few special points including singular points, the numerical values of solid Angle of a cylindrical bottom surface open to these special points.
对包含奇异点在内的几个特殊点给出了柱底面对这些点所张立体角的值,并给出了电测井积分方程系数矩阵的计算方法。
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