旋转机械二维全息谱计算，阐述了负荷预测的应用研究,通过虚拟阵元进行DOA估计，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，Relief计算分类权重，matlab开发工具箱中的支持向量机，包括数据分析、绘图等等,主要是基于mtlab的程序。- Rotating machinery 2-d holographic spectrum calculation, It describes the application of load forecasting, Conducted through virtual array DOA estimation, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Relief computing classification weight, matlab development toolbox support vector machine, Data analysis, plotting, etc., Mainly based on the mtlab procedures.