多元数据分析的主分量分析投影，旋转机械二维全息谱计算，给出接收信号眼图及系统仿真误码率，是学习PCA特征提取的很好的学习资料，包含位置式PID算法、积分分离式PID。- Principal component analysis of multivariate data analysis projection, Rotating machinery 2-d holographic spectrum calculation, The received signal is given eye and BER simulation systems, Is a good learning materials to learn PCA feature extraction, It contains positional PID algorithm, integral separate PID.