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电子学报  2012 

一种ISAR二维压缩感知成像的运动补偿方法

DOI: 10.3969/j.issn.0372-2112.2012.09.013, PP. 1783-1789

Keywords: ISAR,二维压缩感知,运动补偿,距离对准,相位补偿

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Abstract:

通过发射一组具有随机脉冲重复间隔(PRI)的线性调频信号,并对经过去斜率(Deramp)处理的回波信号随机下采样,可以得到目标的二维随机观测回波数据.本文通过分析该类回波信号的模型和信号的稀疏性,针对ISAR(InverseSyntheticApertureRadar)二维压缩感知成像技术提出了一种运动补偿算法.实测数据处理结果表明,本文提出的算法可以有效地针对ISAR二维随机观测回波数据实现运动补偿.

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