对信号进行频谱分析及滤波，三相光伏逆变并网的仿真，包含飞行器飞行中的姿态控制，如侧滑角，倾斜角，滚转角，俯仰角。- The signal spectral analysis and filtering, Three-phase photovoltaic inverter and network simulation, It comprises aircraft flight attitude control, such as slip angle, tilt angle, roll angle, pitch angle.