中文说明：是学习PCA特征提取的很好的学习资料，使用大量的有限元法求解偏微分方程，一种噪声辅助数据分析方法,基于分段非线性权重值的Pso算法，采用偏最小二乘法，信号维数的估计。
English Description：
Is learning PCA feature extraction of very good learning materials, use a large number of finite element method for solving partial differential equations, a noise assisted data analysis method, based on piecewise nonlinear weights of the PSO algorithm, using partial least squares method, the dimension of signal estimation.