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Issue:
Algorithm for Wide-swath Spotlight SAR Data Processing
Author(s):
JING Wei
,
ZHANG Lei
,
XING Meng-dao
,
BAO Zheng
Pages:
470
-
475
Year:
2009
Issue:
3
Journal:
Acta Electronica Sinica
Keyword:
雷达成像
;
聚束SAR
;
谱分析处理
;
宽场景成像
;
Abstract:
提出了基于SPECAN处理的宽场景聚束式SAR成像算法.首先对距离Dechirp后的信号在方位上作谱分析(SPECAN)处理消除方位模糊并对信号支撑区进行伸缩与平移变换,二次相位补偿后选择合适的插值方法恢复信号理想支撑区,最后二维IFFT成像.讨论并给出了算法对脉冲重复频率选择的限制.仿真实验验证了该方法的有效性.
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