项目名称: 2.4米望远镜焦距变化特性研究及自动调焦系统研制
项目编号: No.11303091
项目类型: 青年科学基金项目
立项/批准年度: 2014
项目学科: 数理科学和化学
项目作者: 和寿圣
作者单位: 中国科学院云南天文台
项目金额: 28万元
中文摘要: 光学天文望远镜手动调焦精度容易受人为因素及天气变化的影响,单纯的自动调焦不利于提高望远镜的观测效率,望远镜的焦距还会随着其指向高度、温度变化等因素变化,需要实时进行补偿。目前2.4米望远镜调焦方式为手动调焦,尚无法有效补偿焦距变化。本项目拟以2.4米望远镜为实验对象,分析研究其焦距变化特性,并试图研制一套自动调焦系统,在自动调焦基础上配合焦距补偿,有效提高望远镜的观测精度和效率,为天文望远镜建设和维护提供理论依据和实验数据。
中文关键词: 2.4米望远镜;焦距变化;自动调焦;焦距补偿;
英文摘要: The focallength of optical astronomical telescope is very sensitive to the pointing of the telescope and the ambient temperature,at present the 2.4 meter telescope could not compensate the focal length variation coused by these reasons.Affected by human factors and weather factors,the accuracy of traditional manual focus method is not enough,and auto focus method is low efficiency.The focal length variation will be discussed and an auto focus system for 2.4 meter telescope will be build in this project, it will provide some valuable data for design and maintenance of astronomical telescope.
英文关键词: 2.4 meter telescope;focal length variation;auto focus;compensation of focal length;