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Moving target imaging algorithm for SAR data

机译:SAR数据移动目标成像算法

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摘要

A digital processing algorithm for fine-resolution imaging of synthetic aperture radar (SAR) moving targets is described. The targets may have any translational and rotational motion components relative to the data collection platform. The algorithm requires the presence of up to three prominent points in the image of the target; the signals from these points provide estimates of the unknown target motion parameters. Phase compensation and data formatting based on these estimates eliminate motion-induced phase errors. This algorithm has been implemented on a VAX computer and used to process both simulated and real SAR data of moving targets. Results obtained using the simulated data are presented.
机译:描述了合成孔径雷达(SAR)运动目标的高分辨率成像的数字处理算法。目标可以具有相对于数据收集平台的任何平移和旋转运动分量。该算法要求目标图像中最多存在三个突出点。来自这些点的信号提供了未知目标运动参数的估计。基于这些估计的相位补偿和数据格式化可消除运动引起的相位误差。该算法已在VAX计算机上实现,可用于处理运动目标的模拟和实际SAR数据。给出了使用模拟数据获得的结果。

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