本文首先对包括风力机、无刷双馈发电机的风力发电系统进行建模，并通过同步坐标变换分解为两个解耦子系统。

A wind energy conversion system (WECS) model is presented, including wind turbine and brushless doubly-fed machine working as a generator.

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针对由系统噪声彼此相关的多个子系统构成的一类线性离散时间系统，本文提出了一个解耦滤波算法。

A decoupling algorithm is proposed in this paper to deal with the filtering problem of a class of linear discrete-time systems which consist of subsystems with correlated system noise.

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该方法将结构划分成若干个子系统，通过对各子系统边界状态的预测使整个系统得以解耦，真正的系统状态则在子系统各自的控制方程中校正。

The structure is divided into several subsystems and is uncoupled by predicting boundary states, and then, the real responses of the subsystems are found out from their governing equations.

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