K. J. Sangston

Publications24
h-index10
Citations673
Highly Influential Citations31
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Coherent detection of radar targets in a non-gaussian background
The problem of detecting radar targets against a background of coherent, correlated, non-Gaussian clutter is studied with a two-step procedure. In the first step, the structure of the amplitude and… Expand
  • 241
  • 9
Structures for radar detection in compound Gaussian clutter
The problem of coherent radar target detection in a background of non-Gaussian clutter modeled by a compound Gaussian distribution is studied here. We show how the likelihood ratio may be recast into… Expand
  • 133
  • 9
Coherent Radar Target Detection in Heavy-Tailed Compound-Gaussian Clutter
TLDR
We show that if the texture of compound-Gaussian clutter is modeled by an inverse-gamma distribution, the optimum detector is the optimum Gaussian matched filter detector compared to a data-dependent threshold that varies linearly with q0(z). Expand
  • 153
  • 8
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Non-Gaussian Noise Models and Coherent Detection of Radar Targets
Abstract : The problem of detecting radar targets against a background of coherent, correlated non-Gaussian clutter is studied with a two-step procedure. In the first step, the structure of the… Expand
  • 16
  • 2
Structures for Optimal and Suboptimal Coherent radar Detection in Compound Gaussian Clutter
  • 10
  • 2
New results on coherent radar target detection in heavy-tailed compound-Gaussian clutter
TLDR
We prove that if the texture of compound-Gaussian clutter is modeled by an Inverse-Gamma distribution, the optimum detector is the optimum Gaussian matched filter detector compared to a data-dependent threshold that varies linearly with a quadratic statistic of the data. Expand
  • 17
  • 1
Optimum and sub-optimum coherent radar detection in compound Gaussian clutter: a data-dependent threshold interpretation
We propose a possible approach to the problem of optimum and sub-optimum detection of radar targets against a background of coherent, correlated, K-distributed clutter. It is well-known that the… Expand
  • 20
Correction of artifacts in turntable inverse synthetic aperture radar images
TLDR
Inverse synthetic aperture radar (ISAR) imaging on a turntable-tower test range permits convenient generation of high resolution 2- and 3-D images of radar targets under controlled conditions, typically for characterization of the radar cross section of targets or for testing SAR image processing and automatic target recognition algorithms. Expand
  • 13
Results on the Detection of Signals in Spherically Invariant Random Noise
Abstract : A relationship between well-known estimator-correlator results from detection theory and the detection of signals in spherically invariant random noise is described. This relationship… Expand
  • 14
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Coherent Detection of Radar Targets in K-Distributed, Correlated Clutter
TLDR
A processor is obtained for detecting a radar target in correlated, nonhomogeneous Gaussian (K-distributed) clutter. Expand
  • 20
  • PDF