PCI Express总线的SAR回波数据实时记录系统  

PCI Express Bus and Real-time Data Recording System of SAR Echo

作　　者：谢义[1] 李倩[1] 石巧云[1] 

机构地区：[1]安徽电子信息职业技术学院电子工程系,安徽蚌埠233030

出　　处：《西昌学院学报（自然科学版）》2008年第2期94-97,共4页Journal of Xichang University(Natural Science Edition)

摘　　要：本文介绍了SAR回波实时记录系统中基于PCIExpress(以下简称PCIE)总线的数据传输卡的设计和实现。重点介绍PCIExpress总线的一种应用和基于PCIExpress总线的数据传输卡、PCIExpress卡驱动程序编写、实时接收和实时储存技术。结果表明:PCIE数据传输卡工作状态稳定,SAR回波数据实时记录系统的稳定传输速率为60MB/s,保证了数据传输的连续性和数据的完整性。The design and implementation of data transfer card based on PCI express bus （Abbreviated for PCIE bellow） is introduced. It is used in real-time data recording system of SAR echo. The system uses common PC computer based on PCIE bus structure as development platform. Receiving echo data in real time is the key technology of system implementation. The PCIE card transfers SAR echo data to the shared buffer in the PC＇ s memory. The results indicated that the PCIE transfer card works stably and real-time data recording system of SAR echo data transfers speed can reach 60MB/s steadily. It guarantees continuous data receiving and data＇ s integrality.

关 键 词：PCI EXPRESS总线 实时记录 实时接收 WDM SAR 

分 类 号：TP274.2[自动化与计算机技术—检测技术与自动化装置]