Institutional Repository of Anhui Institute of Optics and Fine Mechanics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
激光雷达能见度仪数据采集系统的研制 | |
其他题名 | Development of lidar data acquisition system for visibility measurement |
文斐; 夏龙生; 梁福田; 董吉辉; 王庆琪; 金革 | |
2011 | |
发表期刊 | 红外与激光工程 |
ISSN | 1007-2276 |
摘要 | 目前的激光雷达能见度仪基本上都是靠通用数据采集卡进行数据采集,使用起来多有不便。针对这一现状,研制了一套适用于激光雷达能见度仪的专用数据采集系统。系统硬件基于FPGA设计,通过硬件逻辑实现计数、触发和数据存储。系统通过USB2.0高速接口与计算机连接,数据传输速度快、连接方便且支持热拔插。采集软件为采用LabWindows/CVI编写的可视化虚拟仪器,功能完善、操作简单。此外.该系统还具有体积小、功耗低、成本低廉等优点。经测试,采集数据准确率可达到99.803%,死时间仅为0.197ns,与国外通用数据采集卡的数据一致性达到98.5%。测试结果表明:该数据采集系统可完全满足激光雷达能见度仪的采集需求。 |
其他摘要 | Aiming at the present situation that most of the visibility lidars still employ general rather than specialized data-acquisition devices, a high-performance data acquisition system for the exclusive use of visibility lidar with the techniques of FPGA and embedded CPU was designed. Hardware logics were widely used in our system for counting, triggering and data storing, which ensured the high operative speed and trivial dead time. Besides, the system was connected with a host-computer via USB2.0 data interface which made the system hold the qualities of high data transfer rate, convenient connection as well as support of hot plug and play. Additionally, the software which run in host-computer was based on LabWindows/CVI and easy to operate. Moreover, the system still sustained the advantages of small size, low power consumption, low cost and so on. The test results show the accuracy rate of the data acquisition system can reach 99.803%, the dead time is 0.197ns and the efficiency reaches 98.5%, which reveal that the system completely fills the requirements of visibility lidar. |
关键词 | 激光雷达 能见度 数据采集 FPGA USB LabWindows/CVI |
学科领域 | 激光雷达技术 |
收录类别 | CSCD |
语种 | 中文 |
CSCD记录号 | CSCD:4142240 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/5831 |
专题 | 中科院安徽光学精密机械研究所 |
推荐引用方式 GB/T 7714 | 文斐,夏龙生,梁福田,等. 激光雷达能见度仪数据采集系统的研制[J]. 红外与激光工程,2011,40(1). |
APA | 文斐,夏龙生,梁福田,董吉辉,王庆琪,&金革.(2011).激光雷达能见度仪数据采集系统的研制.红外与激光工程,40(1). |
MLA | 文斐,et al."激光雷达能见度仪数据采集系统的研制".红外与激光工程 40.1(2011). |
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