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SAR Processors Based on Signal or Interference Subspace Detector

机译:基于信号或干扰子空间检测器的SAR处理器

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摘要

In this paper, we present a new synthetic aperture radar (SAR) processor relying on subspace detectors. The scattering pattern of the constituent element of the man-made target (MMT) to detect is used to improve the detection capabilities. In the particular case of foliage penetration (FOPEN), we propose to reduce the probability of false alarms by considering the scattering pattern of almost vertical trunks (modeled here as dielectric cylinders). New subspace detectors are derived to look for either an interference or a target element in a noisy environment. A new processor based on these subspace detectors is successively applied to simulated data. In addition, results obtained with real data reveal a significant improvement in the detection capabilities both in comparison with a classical SAR processor and with the subspace signal detector SAR (SSDSAR) processor (without interference model).
机译:在本文中,我们提出了一种依靠子空间探测器的新型合成孔径雷达(SAR)处理器。要检测的人造目标(MMT)的组成元素的散射图案用于提高检测能力。在特殊情况下,我们建议通过考虑几乎垂直的树干(此处建模为绝缘圆柱体)的散射模式来减少误报的可能性。派生出新的子空间检测器,以在嘈杂的环境中寻找干扰或目标元素。基于这些子空间检测器的新处理器被相继应用于模拟数据。此外,与常规SAR处理器和子空间信号检测器SAR(SSDSAR)处理器(无干扰模型)相比,使用真实数据获得的结果显示出检测能力的显着提高。

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