重要参数的提取，是路径规划的实用方法，仿真图是速度、距离、幅度三维图像，在matlab R2009b调试通过，针对EMD方法的不足。- Extract important parameters, Is a practical method of path planning, FIG simulation speed, distance, amplitude three-dimensional image, In matlab R2009b debugging through, For lack of EMD.