Detection of range migrating targets in compound-Gaussian clutter

Journal article (2018)

Authors

N. Petrov

F. le Chevalier

Alexander Yarovoy

DOI: https://doi.org/10.1109/TAES.2017.2731558

Doppler radar Wideband radar Radar detection Range migration High range resolution Radar clutter Kdistribution

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Published Date

2018

Language

English

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Abstract

This paper deals with the problem of coherent radar detection of fast moving targets in a high range resolution mode. In particular, we are focusing on the spiky clutter modeled as a compound Gaussian process with rapidly varying power along range. Additionally, a fast moving target of interest has a few range cells migration within the coherent processing interval. Two coherent CFAR detectors are proposed taking into account target migration and highly inhomogeneous clutter. Both detectors involve solution of a transcendental equation, carried out numerically in a few iterations. The performance evaluation is addressed by numerical simulations and it shows a significant improvement in detection of fast moving targets in inhomogeneous heavy tailed radar clutter.

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