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多接收阵SAS成像算法

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摘要 在合成孔径声纳(SAS)成像中,多接收阵成像算法大都是基于DPC近似和停走停近似,先将二者带来的相位误差进行补偿,然后把各接收阵的数据拼接,将数据从三维的形式转换到二维,采用单阵的成像算法进行成像,这种方法处理起来比较简单,但是近似处理并不能完全解决收发分置引入的误差问题。为解决上述问题,基于单接收阵ωk(波束域)算法,提出了一种三维回波数据的多接收阵成像算法,该算法舍弃了常用的等效相位中心近似,避免了该近似带来的相位误差,仿真结果验证了该方法的有效性。
作者 贾磊
机构地区 海装重庆局
出处 《四川兵工学报》 CAS 2012年第3期104-106,共3页 Journal of Sichuan Ordnance
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参考文献6

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