摘要
合成孔径雷达成像所需要的数据量非常巨大,系统对数据传输的要求直接影响到系统的实时性能,所以系统数据传输的速度和效率是至关重要的性能指标.在系统指标基础上主要讨论了选定了PCI总线接口的方案,并用PCI9054芯片实现PCI接口,制定并协调了PCI接口的数据传输协议,保证数据传输的稳定可靠,主要介绍了基于PCI总线的高速数据传输接口,对实现系统的实时性具有重要的意义.
The computation task of Synthetic Aperture Radar （SAR） is huge. The data transfer directly affects the real-time performance of the SAR system, so the speed and efficiency of data transfer is an important performance index. In this paper, in accordance with the task of the project and based on discussion of SAR key system parameter, PCI bus is selected to realize the interface of system, and PCI9054 is selected as key IC of the interface. The data transmission and control on local bus is integrated with FPGA. To design the protocol of data transmission based on PCI bus will ensure the stability and accuracy of transmission. The main work of this paper lies in the realization of high-performance interface based on PCI bus, which is significant in achieving real-time performance.
出处
《青岛建筑工程学院学报》
2005年第4期75-78,共4页
Journal of Qingdao Institute of Architecture and Engineering
