外文资料里面的源代码，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，比较了软阈值，硬阈值及当今各种阈值计算方法。- Foreign materials inside the source code, It comprises aircraft flight attitude control, such as slip angle, tilt angle, roll angle, pitch angle, Comparis