As an instance of this model, gray relation measure matrix and gray relation integrated measure matrix are put forward, and the relation situation decision method is improved and supplemented.

作为该模型的实例化，给出了灰关联测度矩阵和灰关联综合效果测度矩阵的定义，进而对灰关联局势决策方法进行了补充和完善。

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Based on the method of similarity measure, it proves that the equivalence relation of rough set can be transformed into fuzzy equivalence matrix comp.

在这种相似性度量方法基础上，证明了粗集的等价关系可以被转化为模糊等价矩阵。

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This method estimates filter gain matrix K directly, avoids calculating system noise covariance matrix Q and measure noise covariance matrix r, it improves stability of the system.

这种方法采用直接估计增益K，避免了求解系统噪声方差阵q和量测噪声方差阵r，使系统的稳定性增强。

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