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1)  large-scale discrete systems
离散大系统
1.
In this paper,the stability of linearly time-invariant large-scale discrete systems with strong coupling in a single direction among subsystems is considered.
该文研究子系统间具有强耦合的线性离散大系统的稳定性。
2)  discrete large scale systems
离散大系统
1.
Partial stability of discrete large scale systems;
离散大系统的部分稳定性
2.
The existence of periodic of the discrete large scale systems was studied by using Lyapunov s method, the several new sufficient conditions are obtained for the existence of a unique asymptotically stable m periodic solution namely harmonic oscillation in the discrete large scale systems.
利用 L yapunov方法研究离散大系统周期解的存在性 ,给出 m-周期解存在、唯一稳定即平稳振荡存在的几个新判
3)  discrete large-scale time-delay systems
离散时滞大系统
4)  discrete time interconnected systems
耦合离散大系统
5)  discrete singular large-scale systems
离散广义大系统
1.
Analysis of stability for discrete singular large-scale systems with time-delay;
时滞离散广义大系统的稳定性分析
6)  gray discrete large-scale systems
灰色离散大系统
1.
The stability of a linear and nonlinear gray discrete large-scale systems is studied in this paper, and some new algebraic criteria for the stability of trivial solutions are obtained by using Lyapunov s decom- posed theorems and interval matrices.
利用一般离散大系统零解稳定性的Lyapunov分解理论,结合区间矩阵的概念,讨论了线性灰色离散大系统和具有非线性扰动项的灰色离散大系统的稳定性问题,得到了若干稳定性的充分判据。
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

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