Compared with the classical method, the identification accuracy and the generalization capability of nn are testified to be superior in either the free - noise or noisy case.

结果表明，在无噪和有噪情况下，神经网络模型的辨识精度和泛化能力都要优于传统方法。

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A generalization of PF rings relative to commutative rings: rings all finitely generated projective modules with constant rank of which are free is defined.

对交换环定义了广义p F环的概念，即一切具有常数秩的有限生成投射模都为自由模的交换环。

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