It is clear in concept and easy to use, and reveals a general form of the augmented matrix method, conducing to its wider application.

该方法概念清晰，简便实用，揭示了增广矩阵法的一般形式，有助于增广矩阵法的广泛应用。

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It shows that the presented method can be used to identify modal parameters effectively under ambient excitation and that the polynomial eigenvalue method is superior to the augmented matrix method.

结果表明，多参考点互相关差分模型能够有效地进行环境激励下的模态识别，并且多项式特征值法比增广矩阵法所得结果更好。

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Using the method of augmented matrix, the model equations are changed from nonhomogeneous form to homogeneous form, to be solved.

采用增广矩阵的方法将非齐次的模型方程化为齐次的形式再求解。

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