Data communication system for large ground-based telescope design

	Data communication system for large ground-based telescope design
	Jia, J.; J. Zhao; Q. Yang and L. Chen
	2015
发表期刊	Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering
卷号	44 期号:2 页码:596-600
摘要	The communication system which was the point of large ground-based telescope was presented, for meeting partial systems' large number, data classes' variety, data transmitting long distance and data's uneven distribution. The system was made up by up data communication system and the bottom one. By using FPGA, the maximal communication capability of system was promoted to transmit 60 paths of RS422, 32 paths of TLL, 10 paths of RS485 and 4 paths of RS232 in one time, while the connection between up and bottom system was single optical fiber. In addition, the telescope's working clock was supported by GPS, and the real-time spatial and time information was given by catching exposure signal's time and encoder data. The XILINX's Virtex-5 FPGA was designed in the heart place. The experiment results indicate that the system is valuable for large ground-based telescope. , 2015, Chinese Society of Astronautics. All right reserved.
文章类型	期刊论文
收录类别	EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/56271
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Jia, J.,J. Zhao,Q. Yang and L. Chen. Data communication system for large ground-based telescope design[J]. Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,2015,44(2):596-600.
APA	Jia, J.,J. Zhao,&Q. Yang and L. Chen.(2015).Data communication system for large ground-based telescope design.Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering,44(2),596-600.
MLA	Jia, J.,et al."Data communication system for large ground-based telescope design".Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering 44.2(2015):596-600.

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