Based on the deep analysis of the principle of parametric polynomial method, shape eigenfunction method is presented in this paper.

在深入分析参数多项式方法数学原理的基础上，提出了参数分布形状特征式法。

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The wake flow of stator vanes and the unsteady flow in the passage of rotor blades were solved by using oscillating fluid mechanics theory and parametric polynomial method.

采用参数多项式方法和振荡流体力学理论，求解静子叶片后的尾流场及尾流场作用下转子叶片通道内的非定常流场。

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The estimate of QPEs is roughly obtained by use of the Discrete Polynomial-Phase Transform(DPT), then it is refined by a RELAX-based parametric estimation method.

相位误差的粗估计采用离散多项式相位变换（DPT）方法，而误差精估计则基于RELAX类算法。

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