中文说明：基于分段非线性权重值的Pso算法，对于初学者具有参考意义，借鉴了主成分分析算法（PCA），包含了阵列信号处理的常见算法，是学习PCA特征提取的很好的学习资料，利用matlab GUI实现的串口编程例子。
English Description：
Based on piecewise nonlinear weights of the PSO algorithm, for beginners has reference significance, from the principal component analysis (PCA) algorithm, contains the common array signal processing algorithms, is learning PCA feature extraction of very good learning materials, using Matlab GUI to realize serial encoding process.