生成纵横向四阶方程，计算特征根，传递函数等，给出波特图及尼科尔斯图。- SURVEY is set up to make calculations based on the 12 x 12 Fmodel and 12 x 7 Gmodel produced by FLIGHT, with the generic business jet model trimmed for flight at V = 102 m/s and h = 3,050 m. The flags are set to ge