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| 星载合成孔径雷达实时快视成像系统 | |
| 引用本文： | 陈亮,龙腾. 星载合成孔径雷达实时快视成像系统[J]. 北京理工大学学报, 2008, 28(6): 545-548 |
| 作者姓名： | 陈亮 龙腾 |
| 作者单位： | 北京理工大学,雷达技术研究所,北京,100081;北京理工大学,雷达技术研究所,北京,100081 |
| 摘 要： | 给出了一种基于多数字信号处理(DSP)并行处理技术的星载合成孔径雷达(SAR)快视成像系统设计,比较了多种星载SAR成像算法.针对某星载SAR参数提出了优化的实时算法流程,系统实现了对L波段星载SAR距离向1/4降分辨率和方位向四视实时成像处理.通过仿真和实测数据,分析和验证了系统成像结果. |
| 关 键 词： | 合成孔径雷达 快视成像算法 并行处理 数字信号处理器 |
| 收稿时间： | 2007-10-18 |
Spaceborne SAR Real-Time Qucik-Look System |
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| CHEN Liang and LONG Teng. Spaceborne SAR Real-Time Qucik-Look System[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2008, 28(6): 545-548 | |
| Authors: | CHEN Liang and LONG Teng |
| Affiliation: | Radar Research Laboratory, Beijing Institute of Technology, Beijing 100081, China;Radar Research Laboratory, Beijing Institute of Technology, Beijing 100081, China |
| Abstract: | Based on parallel digital signal processing(DSP) technology,the design and implementation of a real-time quick look system is presented.Many kinds of quick look imaging algorithms of spaceborne synthetic aperture radar(SAR) are compared.According to certain parameters of spaceborne SAR system,an optimized real-time imaging algorithm is proposed.The system is used to fulfill 1/4 of range resolution and four-look of azimuth real-time imaging of L band spaceborne SAR Data.Finally,the results of image quality measures are given. |
| Keywords: | synthetic aperture radar(SAR) quick look imaging algorithm parallel processing digital signal processor(DSP) |
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