NAOC Open IR
基于PCI总线的GPS图像标时系统设计
胡新华; 邓元勇; 王先平
2009
Source Publication微计算机信息
ISSN1008-0570
Volume000Issue:007Pages:170
Abstract由高速图像采集子系统和GPS精密授时子系统构成,为图像采集提供精确的时间基准。设计并实现了基于PCI总线的GPS时间获取板卡,并完成了一系列软件的设计开发。首先通过CPLD硬件实时获取GPS授时.其次PCI TARGET结合操作系统内核驱动将该时间传入系统内核。最后用事件通知的方法由内核将该时间传递给望远镜终端图像采集程序做时间标记。实验测试结果表明。系统获取时间的精确度可以达到毫秒极,完全满足天文望远镜观测系统的需求。
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/43318
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
胡新华,邓元勇,王先平. 基于PCI总线的GPS图像标时系统设计[J]. 微计算机信息,2009,000(007):170.
APA 胡新华,邓元勇,&王先平.(2009).基于PCI总线的GPS图像标时系统设计.微计算机信息,000(007),170.
MLA 胡新华,et al."基于PCI总线的GPS图像标时系统设计".微计算机信息 000.007(2009):170.
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