These methods are applied to shenzhou manned spacecraft recovery system . some useful conclusions are gained by a simulation, which provide references for the stability analysis of manned spacecrafts in steaty decent 并將此分析方法運用于“神舟”號載人飛船的回收著陸系統(tǒng),通過仿真分析得到一些有意義的研究結(jié)論,為載人飛船在穩(wěn)定下降階段的穩(wěn)定性分析提供了參考。