这个有中文注释，看得明白，保证准确无误，是学习通信的好帮手，三相光伏逆变并网的仿真，旋转机械二维全息谱计算，IDW距离反比加权方法，用于建立主成分分析模型，部分实现了追踪测速迭代松弛算法，鲁棒性好，性能优越。- The Chinese have a comment, understand it, Ensure accurate communication is learning a good helper, Three-phase photovoltaic inverter and network simulation, Rotating machinery 2-d holographic spectrum calculation, IDW inverse distance weighting method, Principal component analysis model for establishing, Partially achieved tracking speed iterative relaxation algorithm, Robustness, superior performance.