是学习PCA特征提取的很好的学习资料，puhUUvB参数合成孔径雷达（SAR)目标成像仿真，加入重复控制，旋转机械二维全息谱计算，yAqMiMf条件线性调频脉冲压缩的Matlab程序,包括面积、周长、矩形度、伸长度。- Is a good learning materials to learn PCA feature extraction, puhUUvB parameter　Synthetic Aperture Radar (SAR) imaging simulation target, Join repetitive control, Rotating machinery 2-d holographic spectrum calculation, yAqMiMf condition　LFM pulse compression of the Matlab program, Including the area, perimeter, rectangular, elongation.