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电子学报  2012 

T/R-R双基地雷达进动目标参数估计与ISAR成像

DOI: 10.3969/j.issn.0372-2112.2012.06.013, PP. 1148-1153

Keywords: 双基地雷达,进动,参数估计,逆合成孔径雷达

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Abstract:

以锥体目标为研究对象,建立了双基地雷达进动目标宽带回波模型,提出了基于两个接收站观测的1维距离像序列和扩展Hough变换的进动参数联合估计方法;建立了进动目标双基地ISAR成像模型,推导了双基地ISAR成像最佳时间,并通过前述参数估计结果选择对应的1维距离像,采用FFT实现横向压缩获得了进动目标双基地ISAR像;采用FEKO软件计算了一个锥体模型的单/双基地散射系数并进行动态仿真,仿真结果验证了本文方法的有效性.

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