挠性航天器动力学模型的非约束模态分析$^{\bf 1)}$
宋新宇,戈新生()
UNCONSTRAINED MODAL ANALYSIS OF DYNAMIC MODEL OF FLEXIBLE SPACECRAFT$^{\bf 1)}$
Song Xinyu,Ge Xinsheng()

图4. 前 6 阶非约束模态固有频率和振型

Fig.4. Natural frequency and mode shapes of unconstrained mode of the 1st to 6th