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Rank Sum Nonparametric CFAR Detector in Nonhomogeneous Background
IEEE Transactions on Aerospace and Electronic Systems ( IF 5.1 ) Pub Date : 2020-08-19 , DOI: 10.1109/taes.2020.3017319
Xiangwei Meng

The parametric CFAR detectors maintain a constant false alarm rate (CFAR) with an assumption of a known clutter distribution form. The representative ones of them are the cell-averaging (CA) CFAR, the greatest-of (GO) CFAR, and the ordered statistic (OS) CFAR, etc. In this work, we consider the rank sum (RS) nonparametric CFAR, which has an advantage that it can maintain CFAR even the distribution form of clutter becomes a different one. A closed form of the false alarm rate for the RS detector at clutter edges is derived, and a comparison of the performance of the RS detector in multiple targets situation and at clutter edges to that of the CA-CFAR, the GO-CFAR, and the OS-CFAR with noncoherent integration is made.

中文翻译:

非均匀背景下的秩和非参数CFAR检测器

参数CFAR检测器在已知杂波分布形式的前提下保持恒定的误报率(CFAR)。其中有代表性的是像元平均(CA)CFAR,最大(GO)CFAR和有序统计(OS)CFAR等。在这项工作中,我们考虑了等级和(RS)非参数CFAR,它的优点是即使杂波的分布形式变得不同,它也可以保持CFAR。得出了在杂波边缘的RS检测器的误报率的封闭形式,并将在多个目标情况下以及在杂波边缘的RS检测器的性能与CA-CFAR,GO-CFAR和制作了非相干集成的OS-CFAR。
更新日期:2020-08-19
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