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Data acquisition system in the LLMC
Li BH(李彬华); Yang L(杨磊); Mao W(冒蔚); Wang XB(王晓彬); Li, BH
会议录名称Proceedings of SPIE - CURRENT DEVELOPMENTS IN LENS DESIGN AND OPTICAL SYSTEMS ENGINEERING
2000
卷号4093
页码167-175
产权排序第1完成单位
收录类别EI ; CPCI
会议名称Conference on Current Developments in Lens Design and Optical Systems Engineering
会议日期2000-08-02
会议地点SAN DIEGO, CA
关键词Llmc Data Acquisition Ccd Reticon Astrometry
摘要Two data acquisition systems of the Lower Latitude Meridian Circle (LLMC) are described in this paper, of which one is based on a video CCD and the other is based on a scientific CCD. To determine the position of a celestial body absolutely and precisely, the LLMC is equipped with several precision measurement devices such as one precision clock, nine Reticon linear photodiode arrays, one video CCD, one scientific CCD, one rotary inductive synchronizer, and one grating linear displacement transducer. To control these devices properly and collect data from these devices orderly during observations, two data acquisition and control systems are developed. The one based on a video CCD is used to test the instrumental precision of the LLMC. The other based on a scientific CCD is used for normal observations, and is composed of three subsystems. We will illustrate the functions of the measurement devices in the two systems, discuss the methods of data acquisition, and present our thoughts about software programming in the paper.
语种英语
学科领域Optics
出版者SPIE-INT SOC OPTICAL ENGINEERING
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
ISBN号0-8194-3738-7
ISSN号0277-786X
URL查看原文
归档日期2001-04-06
文献类型会议论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6732
专题天体测量及应用研究组
通讯作者Li, BH
推荐引用方式
GB/T 7714
Li BH,Yang L,Mao W,et al. Data acquisition system in the LLMC[C]. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2000:167-175.
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