计算入流角公式，自动绘制出入流角与叶尖速比之间的关系图，用于分析风机叶片的气动效率-To calculate the inflow angle formula, automatic drawing and out of the flow diagram of the relationship between the angle and tip speed ratio for the analysis of the aerodynamic efficiency of the fan blades

用matlab仿真风力发电中风能利用系数和叶尖速比等参数的关系-Relationship with the the matlab simulation wind power wind energy utilization coefficient and tip speed ratio parameter