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High Resolution Angle-Doppler Imaging for MTI Radar

机译:MTI雷达的高分辨率角多普勒成像

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To reduce the need for training data or for accurate prior knowledge of the clutter statistics in space-time adaptive processing (STAP), we consider high resolution angle-Doppler imaging by processing each range bin of interest independently. Specifically, we use a weighted least-squares-based iterative adaptive approach (IAA) to form angle-Doppler images of both clutter and targets for each range bin of interest. The resulting angle-Doppler images can be used with localized detection approaches for moving target indication (MTI). We show via numerical examples that the robust and nonparametric IAA algorithm can be used to enhance the MTI performance significantly as compared with existing approaches.
机译:为了减少对时空自适应处理(STAP)中的训练数据或杂波统计数据的准确先验知识的需求,我们考虑通过独立处理每个感兴趣的距离范围来考虑高分辨率角多普勒成像。具体来说,我们使用加权最小二乘为基础的迭代自适应方法(IAA)来为每个感兴趣的距离范围形成杂波和目标的角度多普勒图像。所得的角度多普勒图像可与用于移动目标指示(MTI)的局部检测方法一起使用。我们通过数值示例表明,与现有方法相比,健壮且非参数的IAA算法可用于显着增强MTI性能。

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