Then the pole assignment of multirate digital control systems under output feedback is discussed.

在此基础上，讨论多采样率数字控制系统在输出反馈下的极点配置问题。

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Several stability robustness criteria for this kind of input multirate sampling digital control systems are given in this paper. These criteria are useful and less conservative.

本文给出了在这种情况下的输入多采样率数字控制系统的鲁棒稳定性判据，所得出的结果具有一定的实用性和较少的保守性。

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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.

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。

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In fact, (and this will get me a lot of nasty-grams), between the sophistication of available GPS-based information and new-generation digital flight control systems, hand-flying is pretty much becoming a lost art.

FORBES: Pilot-Optional Flight Is Closer Than You Think

Equally serious, there is a high risk that on a day-to-day basis, digital records will not survive unless control systems are applied.

UNESCO: MEDIA SERVICES

Yet their antiquated control systems lack protection against digital intrusion, providing an easy target.

FORBES: The Next Threat