包含特征值与特征向量的提取、训练样本以及最后的识别，最终的权值矩阵就是滤波器的系数，包括AHP，因子分析，回归分析，聚类分析。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, The final weight matrix is ??the filter coefficient, Including AHP, factor analysis,