With an appropriate state space neighbour for the nonlinear local analysis, the short_delay predictor is also able to effectively model the long_term correlation without pitch estimation.

用合适的状态空间邻近矢量进行非线性局部分析，即使没有基音周期估计，短时预测器同样能建立长时相关性模型。

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T_S fuzzy model is used to approximate the dynamics of nonlinear processes. By feeding the output of the fuzzy model as the model input in a cascade way, a multi_step fuzzy predictor is derived.

模糊模型用于描述对象的非线性动态特性，通过将模糊模型的输出反馈回来作为模型输入，从而构成了模糊多步预报器。

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