内方位元素测试仪内框变形对瞄准精度的影响  

The Influence of Internal Frame Deformation in Inner Azimuth Element Testing Instrument on Pointing Accuracy

作　　者：马文礼[1] 沈忙作[1] 莫萍[1] 

机构地区：[1]中国科学院光电技术研究所,四川成都610209

出　　处：《光电工程》1999年第S1期34-39,共6页Opto-Electronic Engineering

摘　　要：介绍了内框在内方位元素测试仪中的作用及其工作时的受力状态。采用有限元分析方法对内框不同工作状态的变形进行分析，计算出内框变形对瞄准望远镜视轴的影响，给出了分析计算结果．The action and its stressing state for the internal frame of inner azimuthelement testing instrument in operating are introduced in the paper. The deformation ofthe internal frame in operating is analyzed by means of finite element analysis method.The influence of internal frame deformation on pointing accuracy is calculated. Theanalyzing and calculating results are given.

关 键 词：角度测量 视场角 有限元分析 瞄准精度 测量系统 

分 类 号：TH761.6[机械工程—仪器科学与技术]