中文说明：数据模型归一化，模态振动，包括回归分析和概率统计，三相光伏逆变并网的仿真，DC-DC部分采用定功率单环控制，相控阵天线的方向图（切比雪夫加权），有CDF三角函数曲线/三维曲线图。
English Description：
Data normalization model, modal vibration, including regression analysis and probability and statistics, three-phase grid connected photovoltaic inverter simulation, DC-DC part of the constant power single loop control, phased array antenna directional diagram (Chebyshev weighted), CDF trigonometric curves / 3D graph.