摘要
星载雷达天线是卫星有效载荷的关键组成部分,其结构性能直接关系到卫星任务的成败,文中以某星载雷达天线为研究对象,通过对蜂窝夹芯结构的简化等措施,建立其有限元分析模型,完成了天线的准静态强度分析、模态分析和动态响应分析,分别在不同阻尼和安装板的不同表板厚度条件下,获取了天线的结构仿真结果,找到了天线的加速度、速度和应力随阻尼和表板厚度的变化规律,为天线的结构设计提供了可靠的依据。
The spaceborne radar antenna is a key component of the satellite payloads.Its structural performance influences satellite missions directly.This paper focuses on a specific spaceborne radar antenna,establishes its FEM by simplifying its sand- wich configuration,and completes quasi-static strength analysis,mode analysis,and dynamics response analysis.The simulation results of antenna structure are obtained for different damping and different surface-board thickness,and the laws of variation of an- tenna acce...
出处
《现代雷达》
CSCD
北大核心
2008年第5期119-122,共4页
Modern Radar
关键词
星载雷达
天线
动态特性
有限元
spacebome radar
antenna
dynamic property
FEA
