在目标区域上形成采样网格，通过相对量化提取结构特征矩阵。
Sample grids are formed in the object region. Feature matrixes are computed through relative quantization.
协方差速度谱是基于采样数据可以排列成协方差矩阵的特征结构而设计的。
Covariance velocity spectrum is based on the fact that the sampled data can be arranged in eigen structure of covariance matrix.
借助矩阵的范数概念，对采样控制系统鲁棒稳定性进行了分析。
The Robust stability of sampled data control systems is analysed based on some properties of matrix norms.
利用线性矩阵不等式理论，给出设计满意控制器及优化采样周期的方法。
With the LMI technique, a method is proposed to design satisfactory controller and optimize the sample period.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
针对不存在丢包和存在丢包的情况，通过由采样周期、被控对象与模型参数构造的稳定性判别矩阵给出了使网络控制系统渐近稳定的充分条件。
By constructing a test matrix in terms of the sampling period, the plant controlled and the model parameters, we give a sufficient condition to test the asymptotic stability for the system.
同时分析了连续系统中，系统矩阵和控制矩阵均有扰动时，采样系统鲁棒稳定性的结果。
The robust stability for sampled-data systems under perturbations to the system matrix and the control matrix in the continuous-time sys tems is also analyzed.
采用函数空间的方法，利用先后两次的提升技术，构造出多采样率数字控制系统的函数空间模型和相应的脉冲传递函数矩阵模型。
A function space model and corresponding pulse transfer function matrix of multirate digital control systems are constructed by using function space method and two different lifting techniques.
近似同步法还提供了一个用基于系统辨识的矩阵反演定理导出的误差校正公式，它能消除近似同步采样造成的原始误差。
ASM also provides an error correction formula deduced from matrix inversion theorem to clear up the error originated from approximate synchronous sampling.
近似同步法还提供了一个用基于系统辨识的矩阵反演定理导出的误差校正公式，它能消除近似同步采样造成的原始误差。
ASM also provides an error correction formula deduced from matrix inversion theorem to clear up the error originated from approximate synchronous sampling.
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