矩阵的矩阵

Morevoer, on basis of the weighted polar decomposition, the simultaneous weighted polar decomposition of matrices is also defined and studied.

在对加权极分解研究的基础上，我们定义并讨论了矩阵的同时加权极分解。

Then, a method is proposed to maintain the necessary rotation invariance by transforming image matrix to polar coordinate form followed by the proven of the effectiveness in theory and with numeric calculation results.

最后，提出了用图像矩阵的极变换来重建奇异值的旋转不变性，并给出了理论和实例证明。

Compared with former stability analysis approaches, this approach can not only overcome the defect of finding a common positive definite matrix but also reduce the number of solving Lyapunov inequalities.

较之以往稳定性判定方法，此方法不仅克服了需要寻找一个公共矩阵的不足，而且也减少了求解Lyapunov不等式的个数。

Compared with former stability analysis approaches, this approach can not only overcome the defect of finding a common positive definite matrix but also reduce the number of solving Lyapunov inequalities largely.

较之以往稳定性判定方法，此方法不仅克服了需要寻找一个公共矩阵的不足，而且也减少了求解Lyapunov不等式的个数。

A criterion for the real part positive semidefiniteness matrix is presented,and the algorithm for this criterion is given.

给出了实部半正定矩阵的一种判定方法，并给出了该判定方法的算法。

The proposed control strategy can predict the system variables one beat advanced and solve the delay problem of digital control primely, which greatly improves the dynamic performance and stability of system.

在电流源逆变器系统离散状态空间方程的基础上，利用状态反馈极点配置理论，文中详细给出了状态预测观测器系数矩阵的设计过程。

Using this equivalent model, the order of the stochastictransitional probability matrix is reduced: the calculation is simplified with high accuracy.

等效模型的使用，降低了求解随机转移概率矩阵的阶数，简化了计算，提高了精度。

Gray theory can improve the precision of pavement evaluation by constructing Makov-chain based transitional probability matrix of pavement structures.

研究表明灰色理论可以提高基于马可夫链的状态转移概率矩阵的精度。

Calculating Method of Image Quality Correction Sensitive Matrix of Lithographic Projection System Based on Weight-Optimizing of an Artificial Neural Network.

基于人工神经网络权值优化的投影光刻机像质校正灵敏矩阵的计算方法。中国激光， 2006， 33(4)： 516～520

From the concept, it does the exact opposite of a camera: instead of recording an image of the environment by means of an orthographic or perspective projection, projective texture mapping projects an image onto the environment, by using a matrix very similar to the one a camera uses.

从这个概念上，它与摄象机正好相反，不是通过正交或者透视投影来记录环境的图象，而是把图象投射到环境上，通过使用类似于摄象机使用的矩阵。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。