在线性离散控制系统分析与设计中，都需要对离散系统进行简化。

Simplifying is basis of analysis and design of linear digital control System.

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由于网络化控制系统分析与设计的复杂性，其控制与通信协同设计问题一直没有得到解决。

The issue of control and communication co-design has not been adequately addressed because of the complexity of networked control systems.

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