信号维数的估计，最大似然（ML）准则和最大后验概率（MAP）准则，基于欧几里得距离的聚类分析，本科毕设要求参见标准测试模型。- Signal dimension estimates, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, Clustering analysis based on Euclidean distance, Undergraduate complete set requirements refer to the standard test models.