关键词: 弹引系统 , 模态分析 , 模态实验 , 冲击振动

Abstract: In this paper,the elementary vibration model of a projectile-fuze system is established by means of the mass lumping method. The discrete vibration model thus established theoretically is then modified by the accurate modal parameters, obtained with the help of modal analysis experiments , in order to improve the model accuracy. The acceleration response at the location of the booster device of the system under the projectile base pressure is finally calculated using the modified system vibration model.

Key words: projectile-fuze system , modal analysis , modal experiment , shock and vibration