包含特征值与特征向量的提取、训练样本以及最后的识别，包含了阵列信号处理的常见算法，插值与拟合，解方程，数据分析。- Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition, Contains a common array signal processing algorithm, Interpolation and fitting, solution of equations, data analysis.