收稿日期: 2011-12-19
修回日期: 2012-02-20
网络出版日期: 2013-01-15
基金资助
国家863计划项目(2007AA120302)和国家973计划项目(2009CB724003)资助
Real-time data acquisition system for baseline measurements of InSAR based on PCI and FPGA
Received date: 2011-12-19
Revised date: 2012-02-20
Online published: 2013-01-15
王静 , 刘忠胜 , 丁斌 , 向茂生 , 韦立登 , 孙曦蕊 . 基于PCI和FPGA的InSAR基线测量实时采集系统[J]. 中国科学院大学学报, 2013 , 30(1) : 53 -59 . DOI: 10.7523/j.issn.1002-1175.2013.01.009
A hardware design of a data acquisition and storage system based on PCI and FPGA for the baseline measurement system of dual-antenna interferometric SAR is proposed and implemented, for fulfilling the high speed and real-time requirements. The system realizes high speed data transmission between PCI bus and CCD camera and Laser range finder. The system controls and buffers the data by FPGA and large amount SDRAM using multiple hard disk array for real-time storage. The performance test results show that the system has large data throughput, good real-time, and stable performance.
Key words： baseline measurements; FPGA; PCI bus; data acquisition; real-time data storing
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