用高阶奇数多项式拟合非线性混合函数，建立非线性信号盲分离模型。

The model of nonlinear blind source separation(NBSS) is built which the nonlinear transfer function is simulate by the P-th order polynomial function.

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NLREG能够处理线性，多项式，指数，对数，周期性地，一般的非线性函数。

NLREG can handle linear, polynomial, exponential, logistic, periodic, and general nonlinear functions.

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该方法是基于最小相位滤波器的复倒谱系数和其群迟延函数以及其系统函数之间的关系，通过一个非线性的递归方程求解分母多项式的系数。

Based on the relationship between the group delay function and the cepstral coefficients, the denominator polynomial coefficients can be determined through a nonlinear recursive difference equation.

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