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星载SAR预处理缓存系统研究
消耗积分:3 |
格式:rar |
大小:185 |
2009-06-25
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针对某星载合成孔径雷达快视成像系统具有数据量大、存储量大等特点，分析了其
信号处理系统应有的功能，提出了一种使用FPGA 进行距离向降采样滤波的方法，解决了FPGA控制2GB SDRAM 存储器的技术问题，并实现了基于高性能浮点DSP 和大规模FPGA 的异构处理系统。
关键词：星载合成孔径雷达，快视成像，降采样率波，异构。
Abstract: This paper contains the satellite synthetic aperture radar signal processing with large amounts of data, large memory capacity and other characteristics, It analysised the function of the signal processing system, a method of using FPGA to reduce the ranging sampling filter, solved controlling 2 GB SDRAM memory based on FPGA, and implemented isomerous system of high-performance floating-point DSP and large scale FPGA.
Key word: Spaceborne SAR, quick-look imaging, reduced sampling filter, isomerous
信号处理系统应有的功能，提出了一种使用FPGA 进行距离向降采样滤波的方法，解决了FPGA控制2GB SDRAM 存储器的技术问题，并实现了基于高性能浮点DSP 和大规模FPGA 的异构处理系统。
关键词：星载合成孔径雷达，快视成像，降采样率波，异构。
Abstract: This paper contains the satellite synthetic aperture radar signal processing with large amounts of data, large memory capacity and other characteristics, It analysised the function of the signal processing system, a method of using FPGA to reduce the ranging sampling filter, solved controlling 2 GB SDRAM memory based on FPGA, and implemented isomerous system of high-performance floating-point DSP and large scale FPGA.
Key word: Spaceborne SAR, quick-look imaging, reduced sampling filter, isomerous
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