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题名:
Efficient and low-latency pixel data transmission module for adaptive optics wavefront processor based on field-programmable gate array
作者: Yang, Haifeng; Xia, Yunxia; Zhang, Haotian; Li, Mei; Rao, Changhui
刊名: OPTICAL ENGINEERING
出版日期: 2015
卷号: 54, 期号:6, 页码:63106
学科分类: REAL-TIME CONTROLLER
DOI: 10.1117/1.OE.54.6.063106
文章类型: 期刊论文
中文摘要: An efficient and low-latency pixel data transmission module for the adaptive optics wavefront processor is presented. A fiber-based custom real-time pixel data transfer protocol is developed, which has the characteristics of long transmission distance, low-latency, and low-protocol overhead. The hardware part of the suite has been verified on different circuit boards with different field-programmable gate arrays. Obtained results demonstrate that the transmission and protocol processing delay are only 413.5 ns, the transmission bandwidth is 3.125 Gbps, and the error rate is less than 10-12. Under the same conditions of 156.25 MHz clock frequencies and length of transmission line, compared with the serial front panel data port protocol adopted by the thirty meter telescope and the european southern observatory, the transmission delay is significantly reduced by 2.82 times and has a remarkably low logic occupancy rate through our solution. Also, the method has been applied in several actual projects. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
英文摘要: An efficient and low-latency pixel data transmission module for the adaptive optics wavefront processor is presented. A fiber-based custom real-time pixel data transfer protocol is developed, which has the characteristics of long transmission distance, low-latency, and low-protocol overhead. The hardware part of the suite has been verified on different circuit boards with different field-programmable gate arrays. Obtained results demonstrate that the transmission and protocol processing delay are only 413.5 ns, the transmission bandwidth is 3.125 Gbps, and the error rate is less than 10-12. Under the same conditions of 156.25 MHz clock frequencies and length of transmission line, compared with the serial front panel data port protocol adopted by the thirty meter telescope and the european southern observatory, the transmission delay is significantly reduced by 2.82 times and has a remarkably low logic occupancy rate through our solution. Also, the method has been applied in several actual projects. (C) 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11178004]
语种: 英语
WOS记录号: WOS:000358261000007
ISSN号: 0091-3286
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6426
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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Recommended Citation:
Yang, Haifeng,Xia, Yunxia,Zhang, Haotian,et al. Efficient and low-latency pixel data transmission module for adaptive optics wavefront processor based on field-programmable gate array[J]. OPTICAL ENGINEERING,2015,54(6):63106.
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