Extended PGA for range migration algorithms

Van Rossum W.L.; Otten M.P.G.; Van Bree R.J.P.

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Extended PGA for range migration algorithms

机译：扩展的PGA用于范围迁移算法

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The phase gradient autofocus (PGA) algorithm is extended to work for synthetic aperture radar (SAR) spotlight images processed with range migration (w-k) algorithms. Several pre-processing steps are proposed for aligning the range-compressed phase-history data needed for successful autofocusing of the data. The proposed algorithm gave good results for both data with large point targets and data without point targets.

机译：相位梯度自动对焦（PGA）算法已扩展为适用于使用距离偏移（w-k）算法处理的合成孔径雷达（SAR）聚光图像。提出了几个预处理步骤，以对齐成功进行数据自动聚焦所需的范围压缩的相位历史数据。该算法对于具有大目标点的数据和没有目标点的数据均具有良好的效果。

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《IEEE Transactions on Aerospace and Electronic Systems》 |2006年第2期|p.478-488|共11页
作者
Van Rossum W.L.; Otten M.P.G.; Van Bree R.J.P.;
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正文语种 eng
中图分类航空;
关键词
focusing; gradient methods; radar imaging; synthetic aperture radar; PGA algorithm; SAR; data autofocusing; phase gradient autofocus algorithm; range migration algorithms; spotlight images; synthetic aperture radar;

机译：聚焦;梯度法;雷达成像;合成孔径雷达;PGA算法;SAR;数据自动聚焦;相位梯度自动聚焦算法;距离偏移算法;聚光图像;合成孔径雷达;

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Extended PGA for range migration algorithms

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