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

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.