是学习PCA特征提取的很好的学习资料，旋转机械二维全息谱计算，DC-DC部分采用定功率单环控制，D-S证据理论数据融合，可以动态调节运行环境的参数，线性调频脉冲压缩的Matlab程序。- Is a good learning materials to learn PCA feature extraction, Rotating machinery 2-d holographic spectrum calculation, DC-DC power single-part set-loop control, D-S evidence theory data fusion, Can dynamically adjust the parameters of the operating environment, LFM pulse compression of the Matlab program.