可以实现模式识别领域的数据的分类及回归，是学习PCA特征提取的很好的学习资料，有均匀线阵的CRB曲线，仿真效率很高的，部分实现了追踪测速迭代松弛算法，是信号处理的基础。- You can achieve data classification and regression pattern recognition, Is a good learning materials to learn PCA feature extraction, There ULA CRB curve, High simulation efficiency, Partially achieved tracking speed iterative relaxation algorithm, Is the basis of the signal processing.