NAOC Open IR
空间太阳望远镜的图象预处理系统研制
王宇舟; 金声震
2005
Source Publication电子学报
ISSN0372-2112
Volume033Issue:007Pages:1291
Abstract空间太阳望远镜太阳磁场测量要求图象的信噪比为10^4.受CCD满阱电荷的限制,必须对CCD采集到的图象,在预处理单元进行图象积分以提高信噪比;为了减小CCD引入的噪声,还采用了CCD图象改正技术;对于宁静态的长时间太阳观测,为了克服图象漂移导致无法进行图象积分的难题,提出了图象相关内插累加技术,来进一步提高信噪比;预处理单元还担负着偏振测量中的Stokes参数归一计算、CCD控制、调焦控制和图象格式化等任务.文中分析了预处理系统的处理功能需求,确定了系统设计方案;采用FPGA加DSP的硬件结构,制作了地面原理样机,开发了系统软件.在地面支持设备上对系统功能进行了仿真和测试.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/45755
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
王宇舟,金声震. 空间太阳望远镜的图象预处理系统研制[J]. 电子学报,2005,033(007):1291.
APA 王宇舟,&金声震.(2005).空间太阳望远镜的图象预处理系统研制.电子学报,033(007),1291.
MLA 王宇舟,et al."空间太阳望远镜的图象预处理系统研制".电子学报 033.007(2005):1291.
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