| 基于DDR模组阵列的超高速数字图像存储技术 |
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| 引用本文： | 徐启明,张启衡,陈强. 基于DDR模组阵列的超高速数字图像存储技术[J]. 光学精密工程, 2009, 17(1) |
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| 作者姓名： | 徐启明 张启衡 陈强 |
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| 作者单位： | 中国科学院,光电技术研究所,四川,成都,610209;中国科学院,研究生院,北京,100039;中国科学院,光电技术研究所,四川,成都,610209 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 为了实现光电跟踪测量系统高精度测量中图像数据的超高速实时存储,提出了基于双数据率(DDR)模组阵列的超高速数字图像存储方案.采用大容量DDR双列直插式内存模组(DIMM)阵列作存储介质,现场可编程门阵列(FPGA)作DDR模组阵列控制器,设计了存储系统.介绍了存储系统的总体设计框图,给出了DDR模组阵列控制器的各模块设计和图像数据的输入、输出方法.测试中完成了数据速率为1 000 MB/s的高速图像实时存储;分析表明其最高数据存储速率可达1 828 MB/s,可满足光电跟踪测量系统高精度测量对高帧频、大靶面图像传感器输出图像数据超高速实时存储的需求.
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| 关 键 词： | 光电跟踪与测量 超高速图像存储 双数据率双列直插式内存模组 现场可编程门阵列 |
Ultra high-speed digital image storage technology based on DDR dual in-line memory module array |
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| XU Qi-ming,ZHANG Qi-heng,CHEN Qiang. Ultra high-speed digital image storage technology based on DDR dual in-line memory module array[J]. Optics and Precision Engineering, 2009, 17(1) |
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| Authors: | XU Qi-ming ZHANG Qi-heng CHEN Qiang |
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| Affiliation: | 1.Institute of Optics and Electronics;Chinese Academy of Sciences;Chengdu 610209;China;2.Graduate University of Chinese Academy of Sciences;Beijing 100039;China |
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| Abstract: | In order to realize the ultra high-speed image storage in the high accuracy measurement of opto-electronic tracking and measuring system,an image storage scheme based on Double-data Rate Dual In-line Memory Module(DDR DIMM) array technology is put forward.By using the DDR DIMM memory as storage medium and the Field Programming Gate Array(FPGA) as memory controller,a storage system is established.The block diagram of overall design is introduced,then the modules of DDR DIMM array controller and the methods o... |
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