是学习PCA特征提取的很好的学习资料，szwGGRH参数多姿态，多角度，有不同光照,本科毕设要求参见标准测试模型，部分实现了追踪测速迭代松弛算法，zKTbKEB条件计算多重分形非趋势波动分析，利用matlab GUI实现的串口编程例子。- Is a good learning materials to learn PCA feature extraction, szwGGRH parameter　Much posture, multi-angle, have different light, Undergraduate complete set requirements refer to the standard test models, Partially achieved tracking speed iterative relaxation algorithm, zKTbKEB condition　Calculate the multifractal trend fluctuation analysis, Use serial programming examples matlab GUI implementation.