包括AHP，因子分析，回归分析，聚类分析，利用matlab写成的窄带噪声发生，包含特征值与特征向量的提取、训练样本以及最后的识别。- Including AHP, factor analysis, regression analysis, cluster analysis, Using matlab written narrowband noise occurs, Contains the eigenvalue and eigenvector extraction, the training sample, and the final recognition.