By using the characteristic vector method, the fundamental matrix solution is obtained.

采用特征向量法求其基本矩阵解。

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Therefore we propose a method called "Adaptive Classification based on Two-dimensional Characteristic Vector".

为此，提出了一种基于二维特征向量的自适应分类方法。

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For the convenience of time -domain convolution, the vector fitting method is adopted to approach the characteristic impedance and delay function in complex frequency-domain.

为了便于时域卷积，对不同模量上的特征阻抗和延时函数在复频域采用矢量匹配法进行拟合。

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